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16 November 2004 FBG temperature sensor based on the measurement of the reflected signal polarization properties
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Abstract
We analyze the polarization properties of uniform fiber Bragg gratings written into polarization maintaining fibers by studying the evolution with wavelength of the normalized Stokes parameters and the degree of polarization for both the reflected and transmitted signals. Theoretical expressions are derived for the Stokes parameters. Numerical simulations and experimental results are also reported. We demonstrate the possible realization of a sensor using the information contained in the evolution of teh degree of polarization in reflection. This new demodulation technique has been experimentally tested with temperature sensors.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Christophe Caucheteur, Marc Wuilpart, Karima Chah, Frédéric Lhommé, Michel Blondel, and Patrice Mégret "FBG temperature sensor based on the measurement of the reflected signal polarization properties", Proc. SPIE 5579, Photonics North 2004: Photonic Applications in Telecommunications, Sensors, Software, and Lasers, (16 November 2004); https://doi.org/10.1117/12.567380
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