Analysis the multiple-order coupling points in distributed polarization coupling measurement used graphical methods

Guoqiang Wen; Hongxia Zhang; Xinyu Shi; Dagong Jia; Tiegen Liu

doi:10.1117/12.2543008

12 March 2020 Analysis the multiple-order coupling points in distributed polarization coupling measurement used graphical methods

Guoqiang Wen, Hongxia Zhang, Xinyu Shi, Dagong Jia, Tiegen Liu

Author Affiliations +

Proceedings Volume 11436, 2019 International Conference on Optical Instruments and Technology: Optical Sensors and Applications; 114360A (2020) https://doi.org/10.1117/12.2543008
Event: 2019 International Conference on Optical Instruments and Technology, 2019, Beijing, China

Abstract

White light interferometry is used to measure distributed polarization coupling in high-birefringence polarization-maintaining fibers (PMFs). When there are multiple intrinsic coupling points (CPs), multiple-order ghost CPs will produce. The quantity of multiple-order coupling modes can be calculated recursively. A graphical method is proposed to distinguish the multiple-order ghost CPs from intrinsic CPs. Overlapping of CPs is affected by the positions of disturbance points. Experiments on two and three disturbance points imposed on PMFs are performed. Experimental results show the positions of multiple-order CPs are agree well with graphical analysis. Additionally, the graphical method can be used to analyze other polarization-sensitive optical devices.

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Guoqiang Wen, Hongxia Zhang, Xinyu Shi, Dagong Jia, and Tiegen Liu "Analysis the multiple-order coupling points in distributed polarization coupling measurement used graphical methods", Proc. SPIE 11436, 2019 International Conference on Optical Instruments and Technology: Optical Sensors and Applications, 114360A (12 March 2020); https://doi.org/10.1117/12.2543008

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KEYWORDS

Polarization

Mirrors

Polarization maintaining fibers

Sensors

Michelson interferometers

Optical interferometry

Polarizers

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