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Conference Paper
Optical Fiber Sensors
Cancun Mexico
October 23, 2006
ISBN: 1-55752-817-9
Tuesday Poster Session (TuE)

Demodulation Technique for Transverse Strain FBG Sensor Based on the Measurement of the Polarization Properties

Christophe Caucheteur, Sebastien Bette, Marc Wuilpart, Patrice Megret, Raimundo Garcia-Olcina, Salvador Sales, and Jose Capmany


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The presence of birefringence in fiber Bragg gratings leads to polarization dependent properties such as polarization dependent loss and differential group delay. Even if these parameters affect telecommunications applications, we theoretically and experimentally demonstrate that the polarization properties of uniform Bragg gratings written into standard single mode fibers can be advantageously used to obtain temperature-insensitive transverse force measurements, which is not possible through conventional spectral measurements.

© 2006 Institute of Electronics, Information and Communication Engineers

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(230.1480) Optical devices : Bragg reflectors
(260.1440) Physical optics : Birefringence

C. Caucheteur, S. Bette, M. Wuilpart, P. Megret, R. Garcia-Olcina, S. Sales, and J. Capmany, "Demodulation Technique for Transverse Strain FBG Sensor Based on the Measurement of the Polarization Properties," in Optical Fiber Sensors, OSA Technical Digest (CD) (Optical Society of America, 2006), paper TuE34.

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