90-degree docking error control in polarization maintaining fiber resonator based on white-light interferometry

Huizu Lin; Qiong Yao; Yongming Hu

doi:10.1117/12.885294

31 December 2010 90-degree docking error control in polarization maintaining fiber resonator based on white-light interferometry

Huizu Lin, Qiong Yao, Yongming Hu

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Proceedings Volume 7544, Sixth International Symposium on Precision Engineering Measurements and Instrumentation; 75443V (2010) https://doi.org/10.1117/12.885294
Event: Sixth International Symposium on Precision Engineering Measurements and Instrumentation, 2010, Hangzhou, China

Abstract

Polarization fluctuation caused by polarization coupling in polarization maintaining fiber (PMF) resonator is one of the major noise sources in resonant fiber optic gyroscope. Polarization axis 90-degree docking is an effective way to overcome the polarization fluctuation, but the 90-degree docking error has a major affect to the gyroscope noise suppression effect. In this paper, a fiber Michelson interferometer testing system of polarization coupling in doublecoupler polarization maintaining fiber resonator based on white-light interferometer is designed to realize 90-degree docking error control and obtain a good result of 0.37 degree experimental docking error. Then the detection method of sawtooth scanning is used to analyze the resonance characteristics and polarization characteristics of double-coupler polarization maintaining fiber resonator experimentally and obtains the response curve with 24 finesse and 179.65 degree phase interval of the two polarization eigenstates.

Citation Download Citation

Huizu Lin, Qiong Yao, and Yongming Hu "90-degree docking error control in polarization maintaining fiber resonator based on white-light interferometry", Proc. SPIE 7544, Sixth International Symposium on Precision Engineering Measurements and Instrumentation, 75443V (31 December 2010); https://doi.org/10.1117/12.885294

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KEYWORDS

Polarization

Resonators

Polarization maintaining fibers

Error control coding

Fiber optic gyroscopes

Michelson interferometers

Interferometers

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