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5 October 2009 Dual-polarization fiber grating laser displacement sensor
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Proceedings Volume 7503, 20th International Conference on Optical Fibre Sensors; 75033Z (2009)
Event: 20th International Conference on Optical Fibre Sensors, 2009, Edinburgh, United Kingdom
A high sensitivity displacement sensor based on a dual-polarization fiber grating laser incorporated with a cantilever beam is demonstrated. The cantilever beam transforms the displacement into a transverse force to the fiber grating laser which changes the fiber birefringence and therefore the polarization mode beat frequency of the laser. A sensitivity of 0.535 GHz/mm is implemented.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yang Zhang and Bai-Ou Guan "Dual-polarization fiber grating laser displacement sensor", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75033Z (5 October 2009);


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