Astrid Aksnes

Publications

2022

Schwermer, Silje Fuglerud; Noh, Jong Wook; Aksnes, Astrid; Hjelme, Dag Roar. (2022) Performance improvement in a supercontinuum fiber-coupled system for near infrared absorption spectroscopy. Applied Optics. volum 61 (9).
Academic article
Sønstevold, Linda; Yadav, Mukesh; Arnfinnsdottir, Nina Bjørk; Herbjørnrød, Aina Kristin; Jensen, Geir Uri; Aksnes, Astrid; Mielnik, Michal Marek. (2022) Biocompatible bonding of a rigid off-stoichiometry thiol-ene-epoxy polymer microfluidic cartridge to a biofunctionalized silicon biosensor. Journal of Micromechanics and Microengineering (JMM). volum 32 (7).
Academic article
Yadav, Mukesh; Aksnes, Astrid. (2022) Multiplexed Mach-Zehnder interferometer assisted ring resonator sensor. Optics Express. volum 30.
Academic article
Yallew, Henock Demessie; Vlk, Marek; Datta, Anurup; Alberti, Sebastian; Høvik, Jens; Aksnes, Astrid; Greve, Martin Møller; Jagerska, Jana. (2022) Silicon-on-Insulator (SOI) Slot Waveguide for Methane Absorption Sensing in the Mid-Infrared. Optics and Photonics for Sensing the Environment 2022.
Other

2021

Fuglerud, Silje Skeide; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2021) Investigation of the effect of clinically relevant interferents on glucose monitoring using near‐infrared spectroscopy. Journal of Biophotonics.
Academic article
Johnsen, Håkon Jarand Dugstad; Aksnes, Astrid; Torgersen, Jan. (2021) Beyond the 2D limit: étendue-squeezing line-focus solar concentrators. Optics Letters. volum 46 (1).
Academic article
Milenko, Karolina Barbara; Yerolatsitis, Stephanos; Aksnes, Astrid; Hjelme, Dag Roar; Stone, James M.. (2021) Micro-lensed negative-curvature fibre probe for raman spectroscopy. Sensors. volum 21 (24).
Academic article
Vlk, Marek; Datta, Anurup; Alberti, Sebastian; Murugan, Ganapathy Senthil; Aksnes, Astrid; Jagerska, Jana. (2021) Free-standing tantalum pentoxide waveguides for gas sensing in the mid-infrared. Optical Materials Express. volum 11 (9).
Academic article
Yadav, Mukesh; Noh, Jong Wook; Hjelme, Dag Roar; Aksnes, Astrid. (2021) Spectral shaping of ring resonator transmission response. Optics Express. volum 29 (3).
Academic article

2020

Arnfinnsdottir, Nina Bjørk; Chapman, Cole A; Bailey, Ryan C; Aksnes, Astrid; Stokke, Bjørn Torger. (2020) Impact of Silanization Parameters and Antibody Immobilization Strategy on Binding Capacity of Photonic Ring Resonators. Sensors. volum 20 (11).
Academic article
Høvik, Jens; Yadav, Mukesh; Noh, Jong Wook; Aksnes, Astrid. (2020) Waveguide asymmetric long-period grating couplers as refractive index sensors. Optics Express. volum 28 (16).
Academic article
Jernelv, Ine Larsen; Hjelme, Dag Roar; Aksnes, Astrid. (2020) Infrared measurements of glucose in peritoneal fluid with a tuneable quantum cascade laser. Biomedical Optics Express. volum 11 (7).
Academic article
Jernelv, Ine Larsen; Hjelme, Dag Roar; Matsuura, Yuji; Aksnes, Astrid. (2020) Convolutional neural networks for classification and regression analysis of one-dimensional spectral data. arXiv.org.
Academic article
Jernelv, Ine Larsen; Høvik, Jens; Hjelme, Dag Roar; Aksnes, Astrid. (2020) Signal enhancement in microstructured silicon attenuated total reflection elements with quantum cascade laser-based spectroscopy. Proceedings of SPIE, the International Society for Optical Engineering.
Academic article
Jernelv, Ine Larsen; Strøm, Karina; Hjelme, Dag Roar; Aksnes, Astrid. (2020) Mid-infrared spectroscopy with a fiber-coupled tuneable quantum cascade laser for glucose sensing. Proceedings of SPIE, the International Society for Optical Engineering. volum 11233.
Academic article
Johnsen, Håkon Jarand Dugstad; Aksnes, Astrid; Torgersen, Jan. (2020) High-performance stationary solar tracking through multi-objective optimization of beam-steering lens arrays. Optics Express. volum 28 (14).
Academic article
Milenko, Karolina Barbara; Fuglerud, Silje Skeide; Aksnes, Astrid; Ellingsen, Reinold; Hjelme, Dag Roar. (2020) Optimization of SERS Sensing With Micro-Lensed Optical Fibers and Au Nano-Film. Journal of Lightwave Technology. volum 38 (7).
Academic article

2019

Fuglerud, Silje Skeide; Milenko, Karolina Barbara; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2019) Feasibility of supercontinuum sources for use in glucose sensing by absorption spectroscopy. Proceedings of SPIE, the International Society for Optical Engineering. volum 11073.
Academic article
Fuglerud, Silje Skeide; Milenko, Karolina Barbara; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2019) Glucose sensing by absorption spectroscopy using lensed optical fibers. Applied Optics. volum 58 (10).
Academic article
Jernelv, Ine Larsen; Strøm, Karina; Hjelme, Dag Roar; Aksnes, Astrid. (2019) Infrared Spectroscopy with a Fiber-Coupled Quantum Cascade Laser for Attenuated Total Reflection Measurements Towards Biomedical Applications. Sensors. volum 19 (23).
Academic article
Johnsen, Håkon Jarand Dugstad; Aksnes, Astrid; Torgersen, Jan. (2019) Pushing the limits of beam-steering lens arrays. Proceedings of SPIE, the International Society for Optical Engineering. volum 11120.
Academic article
Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid. (2019) High-concentration wide-angle tracking integration with stacked lens arrays. 15th International Conference on Concentrator Photovoltaic Systems (CPV-15).
Academic chapter/article/Conference paper

2018

Fuglerud, Silje Skeide; Milenko, Karolina Barbara; Larsen Jernelv, Ine; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2018) A miniaturized ball-lensed fiber optic NIR transmission spectroscopy-based glucose sensor. Advanced Photonics Technical Digest - Optical Sensors.
Academic chapter/article/Conference paper
Jernelv, Ine Larsen; Milenko, Karolina Barbara; Fuglerud, Silje Skeide; Hjelme, Dag Roar; Ellingsen, Reinold; Aksnes, Astrid. (2018) A review of optical methods for continuous glucose monitoring. Applied spectroscopy reviews (Softcover ed.). volum 54 (7).
Academic literature review
Johansen, Finn-Eirik; Brautaset, Trygve; Aune, Marie Hjelmseth; Patriksson, Alexandra; Falkenberg, Liv Eggset; Kleppe, Rune; Dick, Gunnar; Strand, Berit Løkensgard; Eijsink, Vincent; Røyne, Anja; Goksøyr, Anders; Svendsen, John Sigurd Mjøen; Fyhn, Marianne; Vik, Jon Olav; Wentzel, Alexander; Aksnes, Astrid; Bruheim, Per; Carlsen, Sven Magnus; Åm, Heidrun. (2018) Centre for Digital Life Norway - Annual report 2017. 2018.
Report
Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid. (2018) Solar tracking using beam-steering lens arrays. Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XV.
Academic chapter/article/Conference paper
Larsen Jernelv, Ine; Milenko, Karolina Barbara; Ellingsen, Reinold; Hjelme, Dag Roar; Aksnes, Astrid. (2018) Improving Multivariate Analysis in Mid-Infrared Spectroscopy for Biosensing. Advanced Photonics Technical Digest - Optical Sensors.
Academic chapter/article/Conference paper
Milenko, Karolina Barbara; Fuglerud, Silje Skeide; Kjeldby, Snorre Braathen; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2018) Micro-lensed optical fibers for a surface-enhanced Raman scattering sensing probe. Optics Letters. volum 43 (24).
Academic article
Milenko, Karolina Barbara; Larsen Jernelv, Ine; Fuglerud, Silje Skeide; Aksnes, Astrid; Ellingsen, Reinold; Hjelme, Dag Roar. (2018) Towards Fiber-Optic Raman Spectroscopy for Glucose Sensing. Advanced Photonics Technical Digest - Optical Sensors.
Academic chapter/article/Conference paper
Yadav, Mukesh; Høvik, Jens; Hjelme, Dag Roar; Aksnes, Astrid. (2018) Sensitivity enhanced biophotonic sensor utilizing sub-wavelength gratings. Proceedings of SPIE, the International Society for Optical Engineering. volum 10729.
Academic article

2013

Leirset, Erlend; Engan, Helge Emil; Aksnes, Astrid. (2013) Heterodyne interferometer for absolute amplitude vibration measurements with femtometer sensitivity. Optics Express. volum 21 (17).
Academic article

2012

Egge, Sigbjørn Vindenes; Österberg, Ulf Lennart; Aksnes, Astrid. (2012) Performance of correlated speckle patterns for speckle reduction in laser projectors. Proceedings of SPIE, the International Society for Optical Engineering. volum 8280.
Academic article
Tong, Zhaomin; Chen, Xuyuan; Akram, Muhammad Nadeem; Aksnes, Astrid. (2012) Compound Speckle Characterization Method and Reduction by Optical Design. IEEE/OSA Journal of Display Technology. volum 8 (3).
Academic article
Zero, Oleg; Aksnes, Astrid. (2012) Investigation of parallel coupling mechanisms in silicon integrated chip sensors. Proceedings of SPIE, the International Society for Optical Engineering. volum 8266.
Academic article
Zero, Oleg; Aksnes, Astrid. (2012) Sensitivity limits of guided modes in silicon integrated waveguide-based sensors. Proceedings of SPIE, the International Society for Optical Engineering. volum 8561.
Academic article

2011

Egge, Sigbjørn Vindenes; Akram, Muhammad Nadeem; Kartashov, Vladimir; Welde, Kristine; Tong, Zhaomin; Österberg, Ulf Lennart; Aksnes, Astrid. (2011) Reducing unwanted intensity fluctuations in laser-projected images. SPIE Newsroom.
Popular scientific article
Egge, Sigbjørn Vindenes; Akram, Muhammad Nadeem; Kartashov, Vladimir; Welde, Kristine; Tong, Zhaomin; Österberg, Ulf; Aksnes, Astrid. (2011) Errata: Sinusoidal rotating grating for speckle reduction in laser projectors: feasibility study. Optical Engineering: The Journal of SPIE. volum 50 (9).
Errata
Egge, Sigbjørn Vindenes; Akram, Muhammad Nadeem; Kartashov, Vladimir; Welde, Kristine; Tong, Zhaomin; Österberg, Ulf; Aksnes, Astrid. (2011) Sinusoidal rotating grating for speckle reduction in laser projectors: feasibility study. Optical Engineering: The Journal of SPIE. volum 50 (8).
Academic article
Gastinger, Kay; Johnsen, Lars; Simonsen, Ove; Aksnes, Astrid. (2011) Inspection of processes during silicon wafer sawing using low coherence interferometry in the near infrared wavelength region. Proceedings of SPIE, the International Society for Optical Engineering. volum 8082.
Academic article
Larsen, Eivind La Puebla; Randeberg, Lise Lyngsnes; Olstad, Elisabeth; Haugen, Olav Anton; Aksnes, Astrid; Svaasand, Lars O.. (2011) Hyperspectral imaging of atherosclerotic plaques in vitro. Journal of Biomedical Optics. volum 16 (2).
Academic article
Leirset, Erlend; Aksnes, Astrid. (2011) Optical vibration measurements of cross coupling effects in capacitive micromachined ultrasonic transducer arrays. Proceedings of SPIE, the International Society for Optical Engineering. volum 8082.
Academic article
Leirset, Erlend; Rønnekleiv, Arne; Aksnes, Astrid. (2011) Radiation pattern deterioration for phase steered capacitive micromachined ultrasonic transducer arrays due to cross coupling. IEEE International Ultrasonics Symposium Proceedings.
Academic article

2009

Aksnes, Astrid. (2009) Photonic sensors for health and environmental monitoring. Sensors for Environment, Health and Security Advanced Materials and Technologies Proceedings of the NATO Advanced Study Institute on Sensors for Environment, Health and Security: Advanced Materials and Technologies.
Academic chapter/article/Conference paper
Martinussen, Hanne; Aksnes, Astrid; Leirset, Erlend; Engan, Helge Emil. (2009) CMUT characterization by interferometric and electric measurements. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. volum 56 (12).
Academic article
Randeberg, Lise Lyngsnes; Larsen, Eivind La Puebla; Aksnes, Astrid; Haugen, Olav Anton; Svaasand, Lars O.. (2009) Hyperspectral Characterization of Atherosclerotic Plaques. Proceedings of SPIE, the International Society for Optical Engineering. volum 7368.
Academic article
Randeberg, Lise Lyngsnes; Larsen, Eivind La Puebla; Aksnes, Astrid; Svaasand, Lars O.. (2009) Hyperspectral characterization of atherosclerotic plaques. PROGRESS IN BIOMEDICAL OPTICS AND IMAGING Clinical and Biomedical Spectroscopy.
Academic chapter/article/Conference paper

2008

Aksnes, Astrid; Amzajerdian, Farzin. (2008) Materials and Devices for Laser Remote Sensing and Optical Communication, MRS Proceedings Volume 1076. Materials Research Society. 2008. ISBN 978160511046-2.
Academic anthology/Conference proceedings
Aksnes, Astrid; Leirset, Erlend; Martinussen, Hanne; Engan, Helge Emil. (2008) Modeling and optical characterization of vibrating micro- and nanostructures. Interferomety XIV: Techniques and Analysis, Proc. of SPIE volume 7063.
Academic chapter/article/Conference paper
Martinussen, Hanne; Leirset, Erlend; Engan, Helge Emil; Aksnes, Astrid. (2008) Modeling and optical investigations of vibrating surfaces. Proceedings of the 31st Scandinavian Symposium on Physical Acoustics, Geilo 27-30 January 2008.
Academic chapter/article/Conference paper

2007

Martinussen, Hanne; Aksnes, Astrid; Engan, Helge Emil. (2007) Wide frequency range measurements of absolute phase and amplitude of vibrations in micro- and nanostructures by optical interferometry. Optics Express. volum 15.
Academic article
Martinussen, Hanne; Aksnes, Astrid; Engan, Helge Emil; Rønnekleiv, Arne. (2007) Optical Measurement Systems for Industrial Inspection V, Vol. 6616, Interferometric characterization of capacitor micromachined ultrasonic transducers and validation by electrical measurements. SPIE - International Society for Optical Engineering. 2007. ISBN 9780819467584.
Academic anthology/Conference proceedings

2006

Aksnes, Astrid. (2006) Smart Microsystems in Diagnostic Imaging (SMiDA), an introduction. Proceedings of the 29th Scandinavian Symposium on Physical Acoustics.
Academic chapter/article/Conference paper
Aksnes, Astrid; Martinussen, Hanne; Engan, Helge Emil. (2006) Characterization of acoustic vibrations on micro- and nanostructures with picometer sensitivity. Interferometry XIII: Applications.
Academic chapter/article/Conference paper
Martinussen, Hanne; Aksnes, Astrid; Engan, Helge Emil. (2006) Heterodyne interferometry for acoustic vibrations. Proceedings of the 29th Scandinavian Symposium on Physical Acoustics.
Academic chapter/article/Conference paper
Martinussen, Hanne; Aksnes, Astrid; Engan, Helge Emil. (2006) Heterodyne interferometry for high sensitivity absolute amplitude vibrational measurements. Interferometry XIII: Techniques and Analysis.
Academic chapter/article/Conference paper
Martinussen, Hanne; Aksnes, Astrid; Engan, Helge Emil. (2006) High Sensitivity vibration measurements with absolute calibration. 2006 CLEO/QELS & PhAST Technical Digest.
Academic chapter/article/Conference paper

2005

Aksnes, Astrid; Amzajerdian, Farzin; Killinger, Dennis; Merhari, Lhadi. (2005) Advanced Devices and Materials for Laser Remote Sensing. Materials Research Society. 2005. ISBN 9781558998377.
Academic anthology/Conference proceedings

1998

Fagerberg, Ragnar; Johnsen, Lars; Rambech, Jan Stewart; Neegård, Steinar; Dyrseth, Astrid Aksnes; Nossum, Bård; Williams, Lorenzo; Holter, Børre. (1998) Electrically Addressed Smectic-A LCDs and Their Liquid-Crystal Microstructure. SID INTERNATIONAL SYMPOSIUM DIGEST OF TECHNICAL PAPERS. volum 29.
Academic article

1997

Dyrseth, Astrid Aksnes; Skatter, Sondre. (1997) Vibration analysis of logs with electronic speckle pattern interferometry. Applied Optics. volum 36 (16).
Academic article
Dyrseth, Astrid Aksnes; Spooren, Rudie. (1997) Measuring mixing dynamics of transparent fluids with electronic speckle pattern interferometry. Applied Optics. volum 36 (25).
Academic article
Skatter, Sondre; Dyrseth, Astrid Aksnes. (1997) Vibration modes of logs measured by TV holography. Wood and Fiber Science. volum 29 (3).
Academic article

1996

Dyrseth, Astrid Aksnes. (1996) Electronic speckle pattern interferometry: new applications in biophysics. Biomedical Sensing, Imaging, and Tracking Technologies I.
Academic chapter/article/Conference paper
Dyrseth, Astrid Aksnes. (1996) Measurement of plant movement in young and mature plants using electronic speckle pattern interferometry. Applied Optics. volum 35 (19).
Academic article
Skatter, Sondre; Dyrseth, Astrid Aksnes. (1996) Modal analysis of softwood logs by TV holography. NDT 1996: 10th International Symposium on Nondestructive Testing of Wood.
Academic chapter/article/Conference paper

1993

Spooren, Rudie; Dyrseth, Astrid Aksnes; Vaz, Mario. (1993) Electronic shear interferometry: application of a (double-) pulsed laser. Applied Optics. volum 32 (25).
Academic article

Journal publications

Schwermer, Silje Fuglerud; Noh, Jong Wook; Aksnes, Astrid; Hjelme, Dag Roar. (2022) Performance improvement in a supercontinuum fiber-coupled system for near infrared absorption spectroscopy. Applied Optics. volum 61 (9).
Academic article
Sønstevold, Linda; Yadav, Mukesh; Arnfinnsdottir, Nina Bjørk; Herbjørnrød, Aina Kristin; Jensen, Geir Uri; Aksnes, Astrid; Mielnik, Michal Marek. (2022) Biocompatible bonding of a rigid off-stoichiometry thiol-ene-epoxy polymer microfluidic cartridge to a biofunctionalized silicon biosensor. Journal of Micromechanics and Microengineering (JMM). volum 32 (7).
Academic article
Yadav, Mukesh; Aksnes, Astrid. (2022) Multiplexed Mach-Zehnder interferometer assisted ring resonator sensor. Optics Express. volum 30.
Academic article
Fuglerud, Silje Skeide; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2021) Investigation of the effect of clinically relevant interferents on glucose monitoring using near‐infrared spectroscopy. Journal of Biophotonics.
Academic article
Johnsen, Håkon Jarand Dugstad; Aksnes, Astrid; Torgersen, Jan. (2021) Beyond the 2D limit: étendue-squeezing line-focus solar concentrators. Optics Letters. volum 46 (1).
Academic article
Milenko, Karolina Barbara; Yerolatsitis, Stephanos; Aksnes, Astrid; Hjelme, Dag Roar; Stone, James M.. (2021) Micro-lensed negative-curvature fibre probe for raman spectroscopy. Sensors. volum 21 (24).
Academic article
Vlk, Marek; Datta, Anurup; Alberti, Sebastian; Murugan, Ganapathy Senthil; Aksnes, Astrid; Jagerska, Jana. (2021) Free-standing tantalum pentoxide waveguides for gas sensing in the mid-infrared. Optical Materials Express. volum 11 (9).
Academic article
Yadav, Mukesh; Noh, Jong Wook; Hjelme, Dag Roar; Aksnes, Astrid. (2021) Spectral shaping of ring resonator transmission response. Optics Express. volum 29 (3).
Academic article
Arnfinnsdottir, Nina Bjørk; Chapman, Cole A; Bailey, Ryan C; Aksnes, Astrid; Stokke, Bjørn Torger. (2020) Impact of Silanization Parameters and Antibody Immobilization Strategy on Binding Capacity of Photonic Ring Resonators. Sensors. volum 20 (11).
Academic article
Høvik, Jens; Yadav, Mukesh; Noh, Jong Wook; Aksnes, Astrid. (2020) Waveguide asymmetric long-period grating couplers as refractive index sensors. Optics Express. volum 28 (16).
Academic article
Jernelv, Ine Larsen; Hjelme, Dag Roar; Aksnes, Astrid. (2020) Infrared measurements of glucose in peritoneal fluid with a tuneable quantum cascade laser. Biomedical Optics Express. volum 11 (7).
Academic article
Jernelv, Ine Larsen; Hjelme, Dag Roar; Matsuura, Yuji; Aksnes, Astrid. (2020) Convolutional neural networks for classification and regression analysis of one-dimensional spectral data. arXiv.org.
Academic article
Jernelv, Ine Larsen; Høvik, Jens; Hjelme, Dag Roar; Aksnes, Astrid. (2020) Signal enhancement in microstructured silicon attenuated total reflection elements with quantum cascade laser-based spectroscopy. Proceedings of SPIE, the International Society for Optical Engineering.
Academic article
Jernelv, Ine Larsen; Strøm, Karina; Hjelme, Dag Roar; Aksnes, Astrid. (2020) Mid-infrared spectroscopy with a fiber-coupled tuneable quantum cascade laser for glucose sensing. Proceedings of SPIE, the International Society for Optical Engineering. volum 11233.
Academic article
Johnsen, Håkon Jarand Dugstad; Aksnes, Astrid; Torgersen, Jan. (2020) High-performance stationary solar tracking through multi-objective optimization of beam-steering lens arrays. Optics Express. volum 28 (14).
Academic article
Milenko, Karolina Barbara; Fuglerud, Silje Skeide; Aksnes, Astrid; Ellingsen, Reinold; Hjelme, Dag Roar. (2020) Optimization of SERS Sensing With Micro-Lensed Optical Fibers and Au Nano-Film. Journal of Lightwave Technology. volum 38 (7).
Academic article
Fuglerud, Silje Skeide; Milenko, Karolina Barbara; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2019) Feasibility of supercontinuum sources for use in glucose sensing by absorption spectroscopy. Proceedings of SPIE, the International Society for Optical Engineering. volum 11073.
Academic article
Fuglerud, Silje Skeide; Milenko, Karolina Barbara; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2019) Glucose sensing by absorption spectroscopy using lensed optical fibers. Applied Optics. volum 58 (10).
Academic article
Jernelv, Ine Larsen; Strøm, Karina; Hjelme, Dag Roar; Aksnes, Astrid. (2019) Infrared Spectroscopy with a Fiber-Coupled Quantum Cascade Laser for Attenuated Total Reflection Measurements Towards Biomedical Applications. Sensors. volum 19 (23).
Academic article
Johnsen, Håkon Jarand Dugstad; Aksnes, Astrid; Torgersen, Jan. (2019) Pushing the limits of beam-steering lens arrays. Proceedings of SPIE, the International Society for Optical Engineering. volum 11120.
Academic article
Jernelv, Ine Larsen; Milenko, Karolina Barbara; Fuglerud, Silje Skeide; Hjelme, Dag Roar; Ellingsen, Reinold; Aksnes, Astrid. (2018) A review of optical methods for continuous glucose monitoring. Applied spectroscopy reviews (Softcover ed.). volum 54 (7).
Academic literature review
Milenko, Karolina Barbara; Fuglerud, Silje Skeide; Kjeldby, Snorre Braathen; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2018) Micro-lensed optical fibers for a surface-enhanced Raman scattering sensing probe. Optics Letters. volum 43 (24).
Academic article
Yadav, Mukesh; Høvik, Jens; Hjelme, Dag Roar; Aksnes, Astrid. (2018) Sensitivity enhanced biophotonic sensor utilizing sub-wavelength gratings. Proceedings of SPIE, the International Society for Optical Engineering. volum 10729.
Academic article
Leirset, Erlend; Engan, Helge Emil; Aksnes, Astrid. (2013) Heterodyne interferometer for absolute amplitude vibration measurements with femtometer sensitivity. Optics Express. volum 21 (17).
Academic article
Egge, Sigbjørn Vindenes; Österberg, Ulf Lennart; Aksnes, Astrid. (2012) Performance of correlated speckle patterns for speckle reduction in laser projectors. Proceedings of SPIE, the International Society for Optical Engineering. volum 8280.
Academic article
Tong, Zhaomin; Chen, Xuyuan; Akram, Muhammad Nadeem; Aksnes, Astrid. (2012) Compound Speckle Characterization Method and Reduction by Optical Design. IEEE/OSA Journal of Display Technology. volum 8 (3).
Academic article
Zero, Oleg; Aksnes, Astrid. (2012) Investigation of parallel coupling mechanisms in silicon integrated chip sensors. Proceedings of SPIE, the International Society for Optical Engineering. volum 8266.
Academic article
Zero, Oleg; Aksnes, Astrid. (2012) Sensitivity limits of guided modes in silicon integrated waveguide-based sensors. Proceedings of SPIE, the International Society for Optical Engineering. volum 8561.
Academic article
Egge, Sigbjørn Vindenes; Akram, Muhammad Nadeem; Kartashov, Vladimir; Welde, Kristine; Tong, Zhaomin; Österberg, Ulf Lennart; Aksnes, Astrid. (2011) Reducing unwanted intensity fluctuations in laser-projected images. SPIE Newsroom.
Popular scientific article
Egge, Sigbjørn Vindenes; Akram, Muhammad Nadeem; Kartashov, Vladimir; Welde, Kristine; Tong, Zhaomin; Österberg, Ulf; Aksnes, Astrid. (2011) Errata: Sinusoidal rotating grating for speckle reduction in laser projectors: feasibility study. Optical Engineering: The Journal of SPIE. volum 50 (9).
Errata
Egge, Sigbjørn Vindenes; Akram, Muhammad Nadeem; Kartashov, Vladimir; Welde, Kristine; Tong, Zhaomin; Österberg, Ulf; Aksnes, Astrid. (2011) Sinusoidal rotating grating for speckle reduction in laser projectors: feasibility study. Optical Engineering: The Journal of SPIE. volum 50 (8).
Academic article
Gastinger, Kay; Johnsen, Lars; Simonsen, Ove; Aksnes, Astrid. (2011) Inspection of processes during silicon wafer sawing using low coherence interferometry in the near infrared wavelength region. Proceedings of SPIE, the International Society for Optical Engineering. volum 8082.
Academic article
Larsen, Eivind La Puebla; Randeberg, Lise Lyngsnes; Olstad, Elisabeth; Haugen, Olav Anton; Aksnes, Astrid; Svaasand, Lars O.. (2011) Hyperspectral imaging of atherosclerotic plaques in vitro. Journal of Biomedical Optics. volum 16 (2).
Academic article
Leirset, Erlend; Aksnes, Astrid. (2011) Optical vibration measurements of cross coupling effects in capacitive micromachined ultrasonic transducer arrays. Proceedings of SPIE, the International Society for Optical Engineering. volum 8082.
Academic article
Leirset, Erlend; Rønnekleiv, Arne; Aksnes, Astrid. (2011) Radiation pattern deterioration for phase steered capacitive micromachined ultrasonic transducer arrays due to cross coupling. IEEE International Ultrasonics Symposium Proceedings.
Academic article
Martinussen, Hanne; Aksnes, Astrid; Leirset, Erlend; Engan, Helge Emil. (2009) CMUT characterization by interferometric and electric measurements. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. volum 56 (12).
Academic article
Randeberg, Lise Lyngsnes; Larsen, Eivind La Puebla; Aksnes, Astrid; Haugen, Olav Anton; Svaasand, Lars O.. (2009) Hyperspectral Characterization of Atherosclerotic Plaques. Proceedings of SPIE, the International Society for Optical Engineering. volum 7368.
Academic article
Martinussen, Hanne; Aksnes, Astrid; Engan, Helge Emil. (2007) Wide frequency range measurements of absolute phase and amplitude of vibrations in micro- and nanostructures by optical interferometry. Optics Express. volum 15.
Academic article
Fagerberg, Ragnar; Johnsen, Lars; Rambech, Jan Stewart; Neegård, Steinar; Dyrseth, Astrid Aksnes; Nossum, Bård; Williams, Lorenzo; Holter, Børre. (1998) Electrically Addressed Smectic-A LCDs and Their Liquid-Crystal Microstructure. SID INTERNATIONAL SYMPOSIUM DIGEST OF TECHNICAL PAPERS. volum 29.
Academic article
Dyrseth, Astrid Aksnes; Skatter, Sondre. (1997) Vibration analysis of logs with electronic speckle pattern interferometry. Applied Optics. volum 36 (16).
Academic article
Dyrseth, Astrid Aksnes; Spooren, Rudie. (1997) Measuring mixing dynamics of transparent fluids with electronic speckle pattern interferometry. Applied Optics. volum 36 (25).
Academic article
Skatter, Sondre; Dyrseth, Astrid Aksnes. (1997) Vibration modes of logs measured by TV holography. Wood and Fiber Science. volum 29 (3).
Academic article
Dyrseth, Astrid Aksnes. (1996) Measurement of plant movement in young and mature plants using electronic speckle pattern interferometry. Applied Optics. volum 35 (19).
Academic article
Spooren, Rudie; Dyrseth, Astrid Aksnes; Vaz, Mario. (1993) Electronic shear interferometry: application of a (double-) pulsed laser. Applied Optics. volum 32 (25).
Academic article

Books

Aksnes, Astrid; Amzajerdian, Farzin. (2008) Materials and Devices for Laser Remote Sensing and Optical Communication, MRS Proceedings Volume 1076. Materials Research Society. 2008. ISBN 978160511046-2.
Academic anthology/Conference proceedings
Martinussen, Hanne; Aksnes, Astrid; Engan, Helge Emil; Rønnekleiv, Arne. (2007) Optical Measurement Systems for Industrial Inspection V, Vol. 6616, Interferometric characterization of capacitor micromachined ultrasonic transducers and validation by electrical measurements. SPIE - International Society for Optical Engineering. 2007. ISBN 9780819467584.
Academic anthology/Conference proceedings
Aksnes, Astrid; Amzajerdian, Farzin; Killinger, Dennis; Merhari, Lhadi. (2005) Advanced Devices and Materials for Laser Remote Sensing. Materials Research Society. 2005. ISBN 9781558998377.
Academic anthology/Conference proceedings

Part of book/report

Yallew, Henock Demessie; Vlk, Marek; Datta, Anurup; Alberti, Sebastian; Høvik, Jens; Aksnes, Astrid; Greve, Martin Møller; Jagerska, Jana. (2022) Silicon-on-Insulator (SOI) Slot Waveguide for Methane Absorption Sensing in the Mid-Infrared. Optics and Photonics for Sensing the Environment 2022.
Other
Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid. (2019) High-concentration wide-angle tracking integration with stacked lens arrays. 15th International Conference on Concentrator Photovoltaic Systems (CPV-15).
Academic chapter/article/Conference paper
Fuglerud, Silje Skeide; Milenko, Karolina Barbara; Larsen Jernelv, Ine; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2018) A miniaturized ball-lensed fiber optic NIR transmission spectroscopy-based glucose sensor. Advanced Photonics Technical Digest - Optical Sensors.
Academic chapter/article/Conference paper
Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid. (2018) Solar tracking using beam-steering lens arrays. Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XV.
Academic chapter/article/Conference paper
Larsen Jernelv, Ine; Milenko, Karolina Barbara; Ellingsen, Reinold; Hjelme, Dag Roar; Aksnes, Astrid. (2018) Improving Multivariate Analysis in Mid-Infrared Spectroscopy for Biosensing. Advanced Photonics Technical Digest - Optical Sensors.
Academic chapter/article/Conference paper
Milenko, Karolina Barbara; Larsen Jernelv, Ine; Fuglerud, Silje Skeide; Aksnes, Astrid; Ellingsen, Reinold; Hjelme, Dag Roar. (2018) Towards Fiber-Optic Raman Spectroscopy for Glucose Sensing. Advanced Photonics Technical Digest - Optical Sensors.
Academic chapter/article/Conference paper
Aksnes, Astrid. (2009) Photonic sensors for health and environmental monitoring. Sensors for Environment, Health and Security Advanced Materials and Technologies Proceedings of the NATO Advanced Study Institute on Sensors for Environment, Health and Security: Advanced Materials and Technologies.
Academic chapter/article/Conference paper
Randeberg, Lise Lyngsnes; Larsen, Eivind La Puebla; Aksnes, Astrid; Svaasand, Lars O.. (2009) Hyperspectral characterization of atherosclerotic plaques. PROGRESS IN BIOMEDICAL OPTICS AND IMAGING Clinical and Biomedical Spectroscopy.
Academic chapter/article/Conference paper
Aksnes, Astrid; Leirset, Erlend; Martinussen, Hanne; Engan, Helge Emil. (2008) Modeling and optical characterization of vibrating micro- and nanostructures. Interferomety XIV: Techniques and Analysis, Proc. of SPIE volume 7063.
Academic chapter/article/Conference paper
Martinussen, Hanne; Leirset, Erlend; Engan, Helge Emil; Aksnes, Astrid. (2008) Modeling and optical investigations of vibrating surfaces. Proceedings of the 31st Scandinavian Symposium on Physical Acoustics, Geilo 27-30 January 2008.
Academic chapter/article/Conference paper
Aksnes, Astrid. (2006) Smart Microsystems in Diagnostic Imaging (SMiDA), an introduction. Proceedings of the 29th Scandinavian Symposium on Physical Acoustics.
Academic chapter/article/Conference paper
Aksnes, Astrid; Martinussen, Hanne; Engan, Helge Emil. (2006) Characterization of acoustic vibrations on micro- and nanostructures with picometer sensitivity. Interferometry XIII: Applications.
Academic chapter/article/Conference paper
Martinussen, Hanne; Aksnes, Astrid; Engan, Helge Emil. (2006) Heterodyne interferometry for acoustic vibrations. Proceedings of the 29th Scandinavian Symposium on Physical Acoustics.
Academic chapter/article/Conference paper
Martinussen, Hanne; Aksnes, Astrid; Engan, Helge Emil. (2006) Heterodyne interferometry for high sensitivity absolute amplitude vibrational measurements. Interferometry XIII: Techniques and Analysis.
Academic chapter/article/Conference paper
Martinussen, Hanne; Aksnes, Astrid; Engan, Helge Emil. (2006) High Sensitivity vibration measurements with absolute calibration. 2006 CLEO/QELS & PhAST Technical Digest.
Academic chapter/article/Conference paper
Dyrseth, Astrid Aksnes. (1996) Electronic speckle pattern interferometry: new applications in biophysics. Biomedical Sensing, Imaging, and Tracking Technologies I.
Academic chapter/article/Conference paper
Skatter, Sondre; Dyrseth, Astrid Aksnes. (1996) Modal analysis of softwood logs by TV holography. NDT 1996: 10th International Symposium on Nondestructive Testing of Wood.
Academic chapter/article/Conference paper

Report

Johansen, Finn-Eirik; Brautaset, Trygve; Aune, Marie Hjelmseth; Patriksson, Alexandra; Falkenberg, Liv Eggset; Kleppe, Rune; Dick, Gunnar; Strand, Berit Løkensgard; Eijsink, Vincent; Røyne, Anja; Goksøyr, Anders; Svendsen, John Sigurd Mjøen; Fyhn, Marianne; Vik, Jon Olav; Wentzel, Alexander; Aksnes, Astrid; Bruheim, Per; Carlsen, Sven Magnus; Åm, Heidrun. (2018) Centre for Digital Life Norway - Annual report 2017. 2018.
Report

Teaching

Courses

Media

2021

Poster

Fuglerud, Silje Skeide; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2021) Interfering substances for glucose sensing by near-infrared spectroscopy. ATTD . Kernes; Digital. 2021-06-02 - 2021-06-05.
Lecture

Vlk, Marek; Datta, Anurup; Alberti, Sebastian; Aksnes, Astrid; Murugan, Ganapathy Senthil; Jagerska, Jana. (2021) High-Aspect-Ratio Free-Standing Membrane Waveguides for Mid-Infrared Nanophotonics. 2021 Conference on Lasers and Electro-Optics (CLEO) . OPTICA; Online. 2021-05-09 - 2021-05-14.
Poster

Vlk, Marek; Datta, Anurup; Alberti, Sebastian; Murugan, Ganapathy Senthil; Aksnes, Astrid; Jagerska, Jana. (2021) Selective Under-Etching of Free-Standing Tantalum Pentoxide Waveguides for MIR Gas Spectroscopy. Micro and Nano Engineering Conference . Centro Congressi Internazionale srl; Turin, Italy. 2021-09-20 - 2021-09-23.

2020

Academic lecture

Aksnes, Astrid. (2020) Lab-on-a-chip: Biophotonic sensor platform for diagnostics 2020. Digital Life Norway Conference . Digital Life Norway Centre; Trondheim. 2020-11-19 - 2020-11-19.
Academic lecture

Jernelv, Ine Larsen; Høvik, Jens; Hjelme, Dag Roar; Aksnes, Astrid. (2020) Signal enhancement in microstructured silicon attenuated total reflection elements with quantum cascade laser-based spectroscopy. Photonics Europe . SPIE; 2020-04-06 - 2020-04-10.
Academic lecture

Jernelv, Ine Larsen; Strøm, Karina; Hjelme, Dag Roar; Aksnes, Astrid. (2020) Mid-infrared spectroscopy with a fiber-coupled tuneable quantum cascade laser for glucose sensing. Photonics West . SPIE; San Francisco. 2020-02-01 - 2020-02-06.
Academic lecture

Johnsen, Håkon Jarand Dugstad; Aksnes, Astrid; Torgersen, Jan. (2020) Beam-steering lens arrays and ètendue-squeezing: a pathway towards a new class of solar concentrators?. Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XVII . International Society for Optics and Photonics; 2020-08-24.
Academic lecture

Yadav, Mukesh; Noh, Jong Wook; Hjelme, Dag Roar; Aksnes, Astrid. (2020) Hybrid ring resonator sensor with high quality factor and wide dynamic range. OSA Optical Sensors and Sensing Congress . OSA The optical Society; Digital. 2020-06-22 - 2020-06-26.

2019

Poster

Aksnes, Astrid; Høvik, Jens; Yadav, Mukesh; Noh, Jong Wook; Arnfinnsdottir, Nina Bjørk; Øvreeide, Ingrid Haga; Stokke, Bjørn Torger; Halaas, Øyvind; Hjelme, Dag Roar; Ellingsen, Reinold; Mielnik, Michal Marek; Flo, Trude Helen; Gastinger, Kay; Sønstevold, Linda. (2019) Lab-on-a-chip platform for early detection of disease biomarkers. Digital Life 2019 . Digital Life Norway Centre; Clarion Hotel Edge, Tromsø. 2019-09-05 - 2019-09-06.
Academic lecture

Aksnes, Astrid; Høvik, Jens; Yadav, Mukesh; Noh, Jong Wook; Hjelme, Dag Roar; Milenko, Karolina Barbara; Jernelv, Ine Larsen; Fuglerud, Silje Skeide; Ellingsen, Reinold. (2019) Photonics activities at IES: LOC biosensor project and Artificial intraperitoneal pancreas project. Seminar at UiT . UiT; Tromsø. 2019-09-05 - 2019-09-05.
Academic lecture

Fuglerud, Silje Skeide; Milenko, Karolina Barbara; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2019) Feasibility of supercontinuum sources for use in glucose sensing by absorption spectroscopy. European Conferences on Biomedical Optics . SPIE/OSA; Munchen. 2019-06-23 - 2019-06-27.
Academic lecture

Fuglerud, Silje Skeide; Milenko, Karolina Barbara; Ellingsen, Reinold; Aksnes, Astrid; Martens, Harald Aagaard; Hjelme, Dag Roar. (2019) Aqueous glucose sensing by fiber-based near-infrared spectroscopy. Scandinavian symposium on Chemometrics 16 . Nofima; Oslo. 2019-06-17 - 2019-06-20.
Academic lecture

Jernelv, Ine Larsen; Hjelme, Dag Roar; Ellingsen, Reinold; Aksnes, Astrid. (2019) Quantum Cascade Lasers in Biomedicine and Nanotechnology. Nano-Network Workshop . Nano-Network; Tromsø. 2019-06-17 - 2019-06-19.
Academic lecture

Johnsen, Håkon Jarand Dugstad; Aksnes, Astrid; Torgersen, Jan. (2019) Pushing the limits of beam-steering lens arrays. SPIE Optics + Photonics 2019 ; 2019-08-13 - 2019-08-15.
Academic lecture

Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid. (2019) Beam-steering lens arrays for solar tracking. First NTNU Young Researcher Clean Energy Symposium . NTNU Young Researcher Clean Energy Forum; Trondheim. 2019-02-09 - 2019-02-09.
Academic lecture

Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid. (2019) Design and fabrication of beam steering lens arrays through raytracing and maskless grayscale lithography. 10th Annual Workshop of the Norwegian PhD Network on Nanotechnology for Microsystems ; 2019-06-17 - 2019-06-19.
Academic lecture

Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid. (2019) High-Concentration Wide-Angle Tracking Integration with Stacked Lens Arrays. The 15th International Conference on Concentrator Photovoltaics (CPV-15) ; 2019-03-25 - 2019-03-27.
Poster

Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid. (2019) Tracking-Integrated Solar Energy Using Stacked Lens Arrays. Norwegian Solar Cell Conference (NSCC) 2019 ; 2019-05-20 - 2019-05-21.
Poster

Noh, Jong Wook; Yadav, Mukesh; Høvik, Jens; Aksnes, Astrid. (2019) Near-vertical Subwavelength Nanostructure Grating Coupler for Silicon Nanophotonic Devices. Norwegian NanoSymposium 2019 . NTNU; NTNU. 2019-10-16 - 2019-10-17.
Poster

Yadav, Mukesh; Høvik, Jens; Noh, Jong Wook; Hjelme, Dag Roar; Aksnes, Astrid. (2019) Silicon photonic waveguide sensor. Norwegian Nano Symposium 2019 . NTNU Nano, the NanoNetwork, the Research Council of Norway; Trondheim. 2019-10-16 - 2019-10-17.
Poster

Yadav, Mukesh; Noh, Jong Wook; Høvik, Jens; Aksnes, Astrid. (2019) Fabrication and characterization of silicon photonic sensor. Digital Life 2019 . Centre for Digital Life Norway (DLN); Tromsø. 2019-09-05 - 2019-09-06.

2018

Interview

Aksnes, Astrid. (2018) Diagnostikk på små biosensorer Podcast #154, Tema: BioTech Ekspørt: Astrid Aksnes, Professor, Institutt for elektroniske systemer, NTNU Med Lørner Silvija Seres https://lorn.tech/lorn-pod/154-diagnostistikk-pa-sma-biosensorer-astrid-aksnes/. https://lorn.tech/lorn-pod/154-diagnostistikk-pa-sma-biosens [Internett]. 2018-12-06.
Lecture

Aksnes, Astrid. (2018) Digital Life Board Meeting: Lab-on-a-chip biophotonic sensor project: status and plans. Digital Life Board Meeting . Digital Life Norway Centre; Værnes. 2018-11-23 - 2018-11-23.
Lecture

Aksnes, Astrid. (2018) Research at the Nanoelectronics and Photonics Group, NTNU. Norwegian Electro-Optics Meeting . Norsk fysisk selskap; Henningsvær. 2018-04-02 - 2018-04-04.
Academic lecture

Aksnes, Astrid; Høvik, Jens; Yadav, Mukesh; Noh, Jong Wook. (2018) Silicon-on-insulator photonic biosensor. NTNU Nano Symposium 2018 . NTNU Nanolab; Trondheim. 2018-11-28 - 2018-11-29.
Interview

Arlov, Øystein; Haslene-Hox, Hanne; Eikenes, Åsmund H.; Carlsen, Sven Magnus; Aksnes, Astrid. (2018) Tett på livet med digital forskning. null [Internett]. 2018-08-23.
Poster

Arnfinnsdottir, Nina Bjørk; Høvik, Jens; Aksnes, Astrid; Stokke, Bjørn Torger. (2018) Correlation of surface characteristics with photonic biosensor performance. 28th Anniversary World Congress on Biosensors . Elsevier; Miami. 2018-06-12 - 2018-06-15.
Academic lecture

Fuglerud, Silje Skeide; Milenko, Karolina Barbara; Larsen Jernelv, Ine; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2018) A miniaturized ball-lensed fiber optic NIR transmission spectroscopy-based glucose sensor. OSA Advanced Photonics Congress . The Optical Society; Zürich. 2018-07-02 - 2018-07-05.
Poster

Høvik, Jens; Aksnes, Astrid. (2018) Experimental validation of a 2D approximation method for investigating photonic components: case study refractive index sensor. SPIE International Symposium on Optics + Photonics 2018 . SPIE, The International Society for Optics and Photonics; San Diego. 2018-08-19 - 2018-08-23.
Poster

Høvik, Jens; Aksnes, Astrid. (2018) Loss reduction of electron-beam lithography fabricated strip wire waveguide bends. Advanced Photonics 2018 Congress . Optical Society of America; ETH Zurich, Switzerland. 2018-07-02 - 2018-07-05.
Poster

Høvik, Jens; Arnfinnsdottir, Nina Bjørk; Aksnes, Astrid. (2018) A comparative study of photonic transducers for lab-on-a-chip biosensors. 28th Anniversary World Congress on Biosensors . Elsevier; Miami. 2018-06-12 - 2018-06-15.
Academic lecture

Høvik, Jens; Arnfinnsdottir, Nina Bjørk; Yadav, Mukesh; Aksnes, Astrid. (2018) Lab-on-a-chip photonic biosensor for detection of antigens. SPIE International Symposium on Optics + Photonics 2018 . SPIE, The International Society for Optics and Photonics; San Diego. 2018-08-19 - 2018-08-23.
Academic lecture

Jernelv, Ine Larsen; Milenko, Karolina Barbara; Ellingsen, Reinold; Hjelme, Dag Roar; Aksnes, Astrid. (2018) Developing a Mid-Infrared Spectroscopy System for Biomedical Sensing. Norwegian Electro-Optics Meeting ; Henningsvær. 2018-05-02 - 2018-05-04.
Lecture

Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid. (2018) Beam-steering lens arrays for solar tracking. NTNU Nano Symposium 2018 . NTNU Nano; Trondheim. 2018-11-28 - 2018-11-29.
Academic lecture

Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid. (2018) Solar tracking using beam-steering lens arrays. SPIE Optics + Photonics 2018 . SPIE, the international society for optics and photonics; San Diego. 2018-08-19.
Poster

Larsen Jernelv, Ine; Milenko, Karolina Barbara; Ellingsen, Reinold; Hjelme, Dag Roar; Aksnes, Astrid. (2018) Improving Multivariate Analysis in Mid-Infrared Spectroscopy for Biosensing. Advanced Photonics Congress . Optical Society of America; Zürich. 2018-07-02 - 2018-07-05.
Poster

Milenko, Karolina Barbara; Jernelv, Ine Larsen; Fuglerud, Silje Skeide; Aksnes, Astrid; Ellingsen, Reinold; Hjelme, Dag Roar. (2018) Glucose monitoring with optical fiber based Raman spectroscopy. Norwegian Electro-Optics Meeting ; 2018-05-02 - 2018-05-04.
Poster

Milenko, Karolina Barbara; Larsen Jernelv, Ine; Fuglerud, Silje Skeide; Aksnes, Astrid; Ellingsen, Reinold; Hjelme, Dag Roar. (2018) Towards Fiber-Optic Raman Spectroscopy for Glucose Sensing. OSA Advanced Photonics Congress . OSA; Zurich. 2018-07-02 - 2018-07-05.
Academic lecture

Vlk, Marek; Murugan, Ganapathy Senthil; Aksnes, Astrid; Jágerská, Jana. (2018) Ta2O5 rib waveguides for optical gas sensing in the mid-infrared. Norwegian Electro-Optics Meeting 2018 ; 2018-06-02 - 2018-06-04.
Poster

Yadav, Mukesh; Aksnes, Astrid. (2018) Phase-modulated Mach-Zehnder interferometer sensor. Norwegian Electro-optics meeting 2018 . Norwegian Physical Society; Henningsvær, Lofoten. 2018-05-02 - 2018-05-04.
Academic lecture

Yadav, Mukesh; Høvik, Jens; Aksnes, Astrid. (2018) Highly sensitive lab-on-a-chip biosensor utilizing phase-modulated Mach-Zehnder interferometer. Advanced Photonics 2018 Congress . Optical Society of America; ETH Zurich, Switzerland. 2018-07-02 - 2018-07-05.
Poster

Yadav, Mukesh; Høvik, Jens; Hjelme, Dag Roar; Aksnes, Astrid. (2018) Sensitivity enhanced biophotonic sensor utilizing sub-wavelength gratings. SPIE International Symposium on Optics + Photonics 2018 . SPIE, The International Society for Optics and Photonics; San Diego, California, USA. 2018-08-19 - 2018-08-23.
Poster

Yadav, Mukesh; Noh, Jong Wook; Aksnes, Astrid. (2018) Conformal high aspect ratio fill using RF sputtering. NTNU Nanosymposium 2018 . NTNU, Trondheim; Trondheim. 2018-11-28 - 2018-11-29.

2017

Academic lecture

Aksnes, Astrid. (2017) Lab-on-a-chip Biophotonic Sensor Platform for Rapid Disease Diagnosis. Digital Life Norway Conference . Digital Life Centre; Oslo. 2017-03-19 - 2017-03-21.
Lecture

Aksnes, Astrid. (2017) Lab-on-a-chip biophotonic sensor platform. Fritz Prinz seminar . Dept. of Mechanical and Industrial Engineering, Jan Hansen; Trondheim. 2017-12-08 - 2017-12-08.
Interview

Aksnes, Astrid. (2017) Utvikler laboratorium på én brikke. Elektronikk 03/2017 [Fagblad]. 2017-03-01.
Poster

Arnfinnsdottir, Nina Bjørk; Øvreeide, Ingrid Haga; Aksnes, Astrid; Mielnik, Michal Marek; Stokke, Bjørn Torger; Halaas, Øyvind. (2017) Lab-On-a-Chip Biophotonic Sensor Platform: Biofunctionalization and Microfluidic Design. Digital Life Norway . Digitalt Liv Norge; Oslo. 2017-03-20 - 2017-03-21.
Poster

Høvik, Jens; Aksnes, Astrid. (2017) A study on the optical properties of amorphous silicon. Nano@NTNU symposium 2017 . NTNU Nanolab; Trondheim. 2017-12-06 - 2017-12-07.
Poster

Høvik, Jens; Aksnes, Astrid. (2017) Lab-on-a-Chip Biophotonic Sensor Platform: Frequency separated multiplexed optical biosensing. Digital Life Norway first annual meeting . Digital Life Norway; Oslo. 2017-03-19 - 2017-03-20.
Poster

Høvik, Jens; Aksnes, Astrid. (2017) Ring resonators as refractive index sensors. Nano Network 8th annual workshop . Nano Network; Bergen. 2017-06-12 - 2017-06-14.
Poster

Larsen Jernelv, Ine; Milenko, Karolina Barbara; Carlsen, Sven Magnus; Ellingsen, Reinold; Hjelme, Dag Roar; Aksnes, Astrid. (2017) Quantitative Measurements of Glucose Solutions Using Mid-Infrared Spectroscopy. Digital Life 2017 . Digital Life; Oslo. 2017-03-20 - 2017-03-21.
Poster

Larsen Jernelv, Ine; Milenko, Karolina Barbara; Hjelme, Dag Roar; Ellingsen, Reinold; Carlsen, Sven Magnus; Aksnes, Astrid. (2017) Optimising Multivariate Models for Glucose Measurements in an ATR-FTIR Spectrometer. ICAVS9 ; Victoria. 2017-06-11 - 2017-06-16.
Lecture

Milenko, Karolina Barbara; Jernelv, Ine Larsen; Aksnes, Astrid; Ellingsen, Reinold; Carlsen, Sven Magnus; Hjelme, Dag Roar. (2017) Optical Fiber Probe based on Raman Spectroscopy for Continuous Glucose Monitoring. 9th International Conference on Advanced Vibrational Spectroscopy ; Victoria BC. 2017-06-11 - 2017-06-16.
Poster

Milenko, Karolina Barbara; Jernelv, Ine Larsen; Aksnes, Astrid; Ellingsen, Reinold; Carlsen, Sven Magnus; Hjelme, Dag Roar. (2017) Raman spectroscopy for continuous glucose monitoring. Digital Life 2017 . Centre for Digital Life Norway; Oslo. 2017-03-20.
Academic lecture

Yadav, Mukesh; Høvik, Jens; Aksnes, Astrid. (2017) Optical Waveguides and Gratings. Nano@NTNU Symposium 2017 . Nanolab NTNU; NTNU, Trondheim, Norway. 2017-12-06 - 2017-12-07.

2016

Academic lecture

Aksnes, Astrid. (2016) Lab-on-a-chip biophotonic sensor platform for diagnostics. Digitalt Liv Norge . Digitalt Liv Norge, NTNU; Trondheim. 2016-04-19 - 2016-04-20.
Poster

Høvik, Jens; Aksnes, Astrid. (2016) A study of approximations for accurate two-dimensional simulations of photonic SOI components. Integrated Photonics Research, Silicon and Nanophotonics 2016 . Optical Society of America; Vancouver. 2016-07-18 - 2016-07-20.
Academic lecture

Høvik, Jens; Aksnes, Astrid. (2016) Fabrication of photonic components for integrated lab-on-a-chip biosensor. Nano@ntnu 2016 symposium . NTNU Nanolab; Trondheim. 2016-11-17 - 2016-11-18.
Poster

Høvik, Jens; Aksnes, Astrid. (2016) Photonic Crystal Resonators as Transduction Elements for Biosensing. Norwegian Electro-Optics Meeting 2016 . Norwegian Physical Society and the Department of Physics and; Voss, Bergen. 2016-04-13 - 2016-04-15.

2015

Poster

Høvik, Jens; Aksnes, Astrid. (2015) ICP-RIE shallow etching of silicon for photonic components. Nano Network 6th annual workshop . Nano Network; Oslo. 2015-06-15 - 2015-06-17.

2014

Academic lecture

Aksnes, Astrid. (2014) Sensor technology and optical imaging for biomedical applications. NorTex Summit . Rice University; Houston, Texas. 2014-10-12 - 2014-12-15.

2013

Academic lecture

Aksnes, Astrid; Leirset, Erlend. (2013) Heterodyne interferometer with femtometer sensitivity for high frequency vibrations. International Symposium on Photoelectric Detection and Imaging 2013 . SPIE, Chinese Society of Astronautics; Beijing. 2013-06-25 - 2013-06-27.

2011

Poster

Leirset, Erlend; Aksnes, Astrid. (2011) Optical vibration measurements of cross coupling effects in capacitive micromachined ultrasonic transducer arrays. Optical Metrology 2011 . SPIE; München. 2011-05-23 - 2011-05-26.
Academic lecture

Leirset, Erlend; Rønnekleiv, Arne; Aksnes, Astrid. (2011) Radiation pattern deterioration for phase steered capacitive micromachined ultrasonic transducer arrays due to cross coupling. 2011 IEEE International Ultrasonics Symposium . IEEE; Orlando. 2011-10-18 - 2011-10-21.

2010

Academic lecture

Egge, Sigbjørn Vindenes; Akram, Muhammad Nadeem; Kartashov, Vladimir; Østerberg, Ulf Lennart; Aksnes, Astrid. (2010) Speckle reduction using a sinusoidal rotating grating. The 17th International Display Workshops . ITE, SID; Fukuoka. 2010-12-01 - 2010-12-03.
Academic lecture

Aksnes, Astrid; Leirset, Erlend; Åldstedt, Mats Marhaug; Martinussen, Hanne; Engan, Helge Emil. (2010) Heterodyne interferometer characterization of capacitive micromachined ultrasonic transducers. Norsk Elektro Optikks 25 year anniversary symposium . Norsk Elektro Optikk; Oslo. 2010-06-11 - 2010-06-11.
Poster

Egge, Sigbjørn Vindenes; Akram, Muhammad Nadeem; Kartashov, Vladimir; Welde, Kristine; Tong, Zhaomin; Østerberg, Ulf Lennart; Aksnes, Astrid. (2010) Speckle reduction using a sinusoidal rotating grating. Norwegian Electro-optics Meeting . Norsk fysisk selskap; Ålesund. 2010-04-07 - 2010-04-09.
Academic lecture

Leirset, Erlend; Marhaug Åldstedt, Mats; Aksnes, Astrid. (2010) Vibration measurements on immersed ultrasonic transducers. Norwegian Electro-optics Meeting 2010 . Norwegian Physical society; Ålesund. 2010-04-07 - 2010-04-09.
Poster

Åldstedt, Mats Marhaug; Leirset, Erlend; Aksnes, Astrid. (2010) Vibration pattern analysis of capacitive micromachined ultrasonic transducers using heterodyne interferometry. Norwegian Electro-optics Meeting . Norsk fysisk selskap; Ålesund. 2010-04-07 - 2010-04-09.

2009

Academic lecture

Engan, Helge Emil; Martinussen, Hanne; Leirset, Erlend; Aksnes, Astrid. (2009) Laser probe for high frequency and DC measurements of CMUTs. EOS Topical Meetings in Capri 2009 . European Optical Society; Capri. 2009-09-27 - 2009-09-30.
Academic lecture

Martinussen, Hanne; Engan, Helge Emil; Aksnes, Astrid. (2009) Capacitive micromachined ultrasonic transducer (CMUT): Conventional and collapsed operation. 32nd Scandinavian Symposium on Physical Electronics . NTNU; Finse. 2009-02-08 - 2009-02-11.

2008

Academic lecture

Aksnes, Astrid. (2008) Forskningsaktivitet på Gruppe for Elektrooptikk, IET, NTNU. Norsk optikk seminar . Institutt for fysikk; NTNU. 2008-02-12 - 2008-02-12.
Academic lecture

Aksnes, Astrid; Leirset, Erlend; Martinussen, Hanne; Engan, Helge Emil. (2008) Modeling and optical characterization of vibrating micro- and nanostructures. SPIE Optics and Photonics 2008: Optics Design and Systems Engineering, Illumination and Metrology . SPIE; San Diego, California. 2008-08-10 - 2008-08-14.
Poster

Apeland, Knut Øyvind; Egge, Sigbjørn Vindenes; Kartashov, Vladimir; Henriksen, Lars; Gartmann, Ketil; Spatschek, Thomas; Aksnes, Astrid. (2008) Speckle reduction in laser projection displays. Norsk elektrooptikk møte 2008 . Norsk fysisk selskap; Hurtigruta. 2008-03-26 - 2008-03-28.
Poster

Bru, Jørgen; Randeberg, Lise Lyngsnes; Larsen, Eivind La Puebla; Aksnes, Astrid. (2008) Hyperspectral characterization of bruised skin. Nosk elektrooptikkmøte 2008 . Norsk fysisk selskap; Hurtigruta. 2008-03-26 - 2008-03-28.
Academic lecture

Engan, Helge Emil; Martinussen, Hanne; Leirset, Erlend; Aksnes, Astrid. (2008) Modeling and optical investigations of vibrating surfaces. 31st Scandinavian Symposium on Physical Acoustics . NTNU; Geilo. 2008-01-27 - 2008-01-30.
Academic lecture

Larsen, Eivind La Puebla; Randeberg, Lise Lyngsnes; Aksnes, Astrid. (2008) Hyperspectral imaging of the porcine heart. Norsk elektrooptikkmøte 2008 . Norsk fysisk selskap; Hurtigruta. 2008-03-26 - 2008-03-28.
Poster

Leirset, Erlend; Martinussen, Hanne; Engan, Helge Emil; Aksnes, Astrid. (2008) Heterodyne interferometer for measuring vibrational amplitude. Norsk elektrooptikkmøte 2008 . Norsk fysisk selskap; Hurtigruta. 2008-03-26 - 2008-03-28.
Academic lecture

Martinussen, Hanne; Aksnes, Astrid; Engan, Helge Emil. (2008) Investigation of charge diffusion in Capacitive Micromachined Ultrasonic Transducers (CMUTs) using optical interferometry. 2008 IEEE Ultrasonics symposium . IEEE; Beijing. 2008-11-02 - 2008-11-05.
Poster

Martinussen, Hanne; Aksnes, Astrid; Engan, Helge Emil. (2008) Investigation of charge diffusion in Capacitive Micromachined Ultrasonic Transducers (CMUTs) using optical interferometry. 2008 IEEE Ultrasonics Symposium . IEEE; Beijing. 2008-11-02 - 2008-11-05.
Academic lecture

Martinussen, Hanne; Berg, Sigrid; Aksnes, Astrid; Engan, Helge Emil. (2008) Into our hearts and veins. ITovation . NTNU; Trondheim. 2008-06-03.
Academic lecture

Martinussen, Hanne; Leirset, Erlend; Aksnes, Astrid; Engan, Helge Emil. (2008) Optical characterization of CMUTs by heterodyne interferometry. 7th International Workshop on Micromachined Ultrasonic Transducers . NTNU; Trondheim. 2008-05-08 - 2008-05-09.

2007

Academic lecture

Aksnes, Astrid. (2007) Photonic sensors for health and environmental monitoring. NATO ASI Sensors for Environment, Health and Security: Advanced Materials and Technologies . NATO / OTAN; Vichy. 2007-09-16 - 2007-09-27.
Academic lecture

Aksnes, Astrid. (2007) Smart Microstystem for Diagnostic Imaging of Vulnerable Plaque. NATO ASI Sensors for Environment, Health and Security: Advanced Materials and Technologies . NATO / OTAN; Vichy. 2007-09-16 - 2007-09-27.
Academic lecture

Aksnes, Astrid; Martinussen, Hanne; Engan, Helge Emil. (2007) Optical characterization of CMUTs. CMUT & PMUT, en betydelig norsk MEMS-aktivitet . NFR; Oslo. 2007-10-16 - 2007-10-16.
Poster

Aksnes, Astrid; Martinussen, Hanne; Engan, Helge Emil. (2007) Smart Microstystem for Diagnostic Imaging of Vulnerable Plaque. NATO ASI Sensors for Environment, Health and Security: Advanced Materials and Technologies . NATO / OTAN; Vichy. 2007-09-16 - 2007-09-27.
Academic lecture

Martinussen, Hanne; Aksnes, Astrid; Engan, Helge Emil; Rønnekleiv, Arne. (2007) Optical Measurement Systems for Industrial Inspection V, Vol. 6616: Interferometric characterization of capacitor micromachined ultrasonic transducers and validation by electrical measurement. SPIE Europe Optical Metrology 2007 . SPIE; Munchen. 2007-06-17 - 2007-06-21.

2006

Interview

Aksnes, Astrid. (2006) Den nye veggpryden. Dagbladet, Lørdagsmagasinet [Avis]. 2006-01-06.
Academic lecture

Aksnes, Astrid. (2006) Introduction to SMiDA. MedTek seminar . NTNU; Trondheim. 2006-09-27 - 2006-09-27.
Academic lecture

Aksnes, Astrid. (2006) Optical characterization of ultrasound vibrations. Seminar on Microsystems for Medical Ultrasound Imaging . NTNU; NTNU. 2006-05-30 - 2006-05-30.
Academic lecture

Aksnes, Astrid. (2006) Smart Microsystems in Diagnostic Imaging (SMiDA), an introduction. 29th Scandinavian Symposium on Physical Acoustics . Norwegian Physical Society (NFS); Ustaoset. 2006-01-29 - 2006-02-01.
Popular scientific lecture

Aksnes, Astrid. (2006) Smart microsystems for diagnostic imaging in medicine. Gjesteforelesning . NTNU; NTNU. 2006-03-10 - 2006-03-10.
Academic lecture

Aksnes, Astrid; Martinussen, Hanne; Engan, Helge Emil. (2006) Characterization of acoustic vibrations on micro- and nanostructures with picometer sensitivity. Optics & Photonics . SPIE; San Diego. 2006-08-13 - 2006-08-17.
Poster

Aksnes, Astrid; Martinussen, Hanne; Engan, Helge Emil. (2006) Wide frequency range absolute amplitude and phase measurements based on heterodyne interferometry. Northern Optics . Norwegian Physical Society (NFS); Bergen. 2006-06-14 - 2006-06-16.
Poster

Dang, Dung Do; Aksnes, Astrid; Haakestad, Magnus Willum; Hagene, Jon Kristian; Bjorøy, Ove. (2006) Wavelength modulation spectroscopy with optical single mode fibers- a remote measurement of NH3 @ 1512nm. Northern Optics . Norwegian Physical Society (NFS); Bergen. 2006-06-14 - 2006-06-16.
Academic lecture

Martinussen, Hanne; Aksnes, Astrid; Engan, Helge Emil. (2006) Heterodyne interferometry for characterization of acoustic vibrations. 29th Scandinavian Symposium on Physical Acoustics ; Ustaoset. 2006-01-29 - 2006-02-01.
Academic lecture

Martinussen, Hanne; Aksnes, Astrid; Engan, Helge Emil. (2006) Heterodyne interferometry for high sensitivity absolute amplitude vibrational measurements. Optics & Photonics . SPIE; San Diego. 2006-08-13 - 2006-08-17.
Academic lecture

Martinussen, Hanne; Aksnes, Astrid; Engan, Helge Emil. (2006) High sensitivity vibration measurements with absolute calibration. CLEO 06 . OSA; Long Beach. 2006-05-21 - 2006-05-26.
Poster

Martinussen, Hanne; Aksnes, Astrid; Engan, Helge Emil. (2006) Optical characterization for capacitor micromachined ultrasound transducer. Nothern Optics ; Bergen. 2006-06-14 - 2006-06-16.

2005

Interview

Aksnes, Astrid. (2005) Starthjelp til å beholde kvinner. Forskerforum [Avis]. 2005-03-02.
Interview

Aksnes, Astrid. (2005) Startpakke gir selvtillilt. Under Dusken [Avis]. 2005-03-08.

2004

Poster

Dyrseth, Astrid Aksnes; Engan, Helge Emil; Hjelme, Dag Roar. (2004) Optical detection of ultrasound and optical spectroscopy for detection of vulnerable plaques. Norwegian Electro-Optics meeting . Optics Group of Norwegian Physical Society; Tønsberg. 2004-05-02 - 2004-05-04.
Academic lecture

Randeberg, Lise Lyngsnes; Ove, Magnus; Paulsen, Eirik; Dyrseth, Astrid Aksnes; Svaasand, Lars O.. (2004) Thermo-optical properties of tissue chromophores. Norwegian Electro-Optics meeting . Norsk fysisk selskap; Tønsberg. 2004-05-02 - 2004-05-04.
Academic lecture

Vignes, Bendik; Chizhov, Mikhail; Makarov, Vadim; Dyrseth, Astrid Aksnes; Hjelme, Dag Roar. (2004) Faked sates attack on quantum cryptosystems. Norwegian Electro-Optics Meeting 2004 . Norwegian Electro-Optical Society; Tønsberg. 2004-05-02 - 2004-05-04.

2000

Academic lecture

Liefrink, Feike; Houtzager, Ernest; de Jong, Gerrit; Teunissen, Paul; Heimeriks, J W; Dyrseth, Astrid Aksnes; Røyset, Arne; Johnsen, Lars; Behr, Ralf; Kohlmann, Johannes; Schulze, Holger; Vollmer, E; Niemeyer, Jurgen. (2000) Development of a programmable bipolar Josephson-array voltage-standard. Conf. Precision Electromagnetic Measurements (CPEM2000) . IEEE; Sydney. 2000-05-15 - 2000-05-19.

1999

Academic lecture

Liefrink, Feike; de Jong, Gerrit; Teunissen, Paul; Heimeriks, J W; Røyset, Arne; Dyrseth, Astrid Aksnes; Schulze, Holger; Behr, Ralf; Kohlmann, Johannes; Vollmer, E; Niemeyer, Jurgen. (1999) Design of a bipolar Josephson array voltage standards for AC synthesis. British Electromagnetic Conference ; Brighton. 1999-11-02 - 1999-11-04.

1996

Academic lecture

Dyrseth, Astrid Aksnes. (1996) Electronic speckle pattern interferometry: new applications in biophysics. Photonics West 1996 . SPIE; San Jose. 1996-01-28 - 1996-02-02.
Academic lecture

Skatter, Sondre; Dyrseth, Astrid Aksnes. (1996) Modal analysis on softwood logs by TV holography. 10th International Symposium on Nondestructive Testing of Wood . Swiss Federal Institute of Technology; Lausanne. 1996-08-26 - 1996-08-28.

1993

Poster

Dyrseth, Astrid Aksnes. (1993) Biomedical applications of TV holography. Norwegian Conference on Optics and Optoelectronics . Norwegian Physical Society (NFS); Vinstra. 1993-03-18 - 1993-03-21.

1992

Academic lecture

Dyrseth, Astrid Aksnes; Spooren, Rudie. (1992) Electronic speckle pattern correlation interferometry applying pulsed lasers; a possible tool in biophysics?. Fagmøte i Biofysikk og Biorelatert Optikk & Teknikk . Norwegian Physical Society (NFS); Kongsvold. 1992-03-19 - 1992-03-21.

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Astrid Aksnes

Astrid Aksnes

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