Helge Emil Engan
Background and activities
Scientific, academic and artistic work
A selection of recent journal publications, artistic productions, books, including book and report excerpts. See all publications in the database
- (2013) Heterodyne interferometer for absolute amplitude vibration measurements with femtometer sensitivity. Optics Express. vol. 21 (17).
- (2009) CMUT characterization by interferometric and electric measurements. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. vol. 56 (12).
- (2007) Wide frequency range measurements of absolute phase and amplitude of vibrations in micro- and nanostructures by optical interferometry. Optics Express. vol. 15.
- (2006) Acoustooptic Properties of a Weakly Multimode Solid Core Photonic Crystal Fiber. Journal of Lightwave Technology. vol. 24 (2).
- (2006) Acoustooptic characterization of a birefringent two-mode photonic crystal fiber. Optics Express. vol. 14.
- (2005) Electrically tunable photonic bandgap guidance in a liquid-crystal-filled photonic crystal fiber. IEEE Photonics Technology Letters. vol. 17.
- (1999) Torsional rod wave scattering from tapering between regions of different cross-sections. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. vol. 46 (4).
- (1999) Phase reconstruction from reflectivity in fiber Bragg gratings. Optics Letters. vol. 24 (3).
- (1998) Torsional wave scattering from a diameter step in a rod. Journal of the Acoustical Society of America. vol. 104 (4).
- (1997) Acousto-optic tunable filters in two-mode fibers. Optical fiber technology (Print). vol. 3 (2).
- (1997) Polarization-selective mode coupling in two-mode hi-bi fibers. Journal of Lightwave Technology. vol. 15 (2).
- (1997) Position weighting of fiber Bragg gratings for bandpass filtering. Optics Letters. vol. 22 (11).
- (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.
- (2005) Scaling Properties of Acousto-Optic Long Period Gratings in Photonic Crystal Fibers. 2005. ISBN 1877040339.
Part of book/report
- (2008) Modeling and optical characterization of vibrating micro- and nanostructures. Interferomety XIV: Techniques and Analysis, Proc. of SPIE volume 7063.
- (2008) Modeling and optical investigations of vibrating surfaces. Proceedings of the 31st Scandinavian Symposium on Physical Acoustics, Geilo 27-30 January 2008.
- (2006) Characterization of acoustic vibrations on micro- and nanostructures with picometer sensitivity. Interferometry XIII: Applications.
- (2006) Acoustooptic Characterization of a Birefringent Two-Mode Photonic Crystal Fiber. 18th International Conference on Optical Fiber Sensors.
- (2006) Heterodyne interferometry for acoustic vibrations. Proceedings of the 29th Scandinavian Symposium on Physical Acoustics.
- (2006) Heterodyne interferometry for high sensitivity absolute amplitude vibrational measurements. Interferometry XIII: Techniques and Analysis.