Research on polarization control in the long distance fiber-optic sensing

Dong-bing Wang; Jin-feng Zhou

doi:10.1117/12.2034956

29 August 2013 Research on polarization control in the long distance fiber-optic sensing

Dong-bing Wang, Jin-feng Zhou

Proceedings Volume 8914, International Symposium on Photoelectronic Detection and Imaging 2013: Fiber Optic Sensors and Optical Coherence Tomography; 89141B (2013) https://doi.org/10.1117/12.2034956
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China

Abstract

The long distance fiber-optic sensing system based on Mach-Zehnder interferometer has been widely used in many fields. We discussed the polarization signal fading caused by the birefringence property of the fiber. Research results show that, due to the birefringence effect of long distance fiber-optic sensing, when incident light polarization state changes, the output power will change which causing interference signal changes. This phenomenon is called "polarization-induced signal fading ". In order to eliminate polarization fading in long distance fiber-optic sensing, add the system with polarization controller to adjust light polarization state, can get a good visibility of interference signal.

Citation Download Citation

Dong-bing Wang and Jin-feng Zhou "Research on polarization control in the long distance fiber-optic sensing", Proc. SPIE 8914, International Symposium on Photoelectronic Detection and Imaging 2013: Fiber Optic Sensors and Optical Coherence Tomography, 89141B (29 August 2013); https://doi.org/10.1117/12.2034956

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