Suppression of polarization instability in optical pulse correlation remote sensing

Mifang Lu; Hirokazu Kobayashi; Koji Nonaka

doi:10.1117/12.2059718

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2 June 2014 Suppression of polarization instability in optical pulse correlation remote sensing

Mifang Lu, Hirokazu Kobayashi, Koji Nonaka

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Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91571V (2014) https://doi.org/10.1117/12.2059718
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

We have proposed an optical pulse correlation remote sensing technique, which has the advantages of high accuracy and good response linearity. To eliminate the impact of polarization fluctuation on sensing signals, we use a polarization scrambled pulse train (PSP), in which the polarization state of each pulse is randomized. We measure the stability of sensing signal under polarization fluctuation in optical pulse correlation sensing with the PSP light and obtain good stability. Moreover, we demonstrate tensile strain measurement using the optical pulse correlation sensing with the PSP and confirm the linear response to the tensile strain even under polarization changing.

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Mifang Lu, Hirokazu Kobayashi, and Koji Nonaka "Suppression of polarization instability in optical pulse correlation remote sensing", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91571V (2 June 2014); https://doi.org/10.1117/12.2059718

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