90-deg splicing error control in polarization maintaining fiber resonator based on white-light interferometry

Huizu Lin; Qiong Yao; Yongming Hu; Lina Ma

doi:10.1117/1.OE.51.5.055004

14 May 2012 90-deg splicing error control in polarization maintaining fiber resonator based on white-light interferometry

Huizu Lin, Qiong Yao, Yongming Hu, Lina Ma

Author Affiliations +

Optical Engineering, Vol. 51, Issue 5, 055004 (May 2012). https://doi.org/10.1117/1.OE.51.5.055004

Abstract

Polarization fluctuation in polarization maintaining fiber (PMF) resonator is one of the major noise sources in resonant fiber optic gyroscope (R-FOG). 90-deg polarization-axis rotated splicing in R-FOG is an effective way to suppress the polarization-fluctuation induced noise. 90-deg polarization-axis rotated splicing error influences the noise suppression effect. Here, a polarization-coupling testing system based on white-light interferometry is designed to control 90-deg splicing error in double-coupler PMF resonator first time and a result of 0.37-deg splicing error is obtained for the first time. Then the resonant characteristics of the double-coupler PMF resonator are tested using the saw-tooth waveform scanning method. The finesse of this double-coupler PMF resonator is 24.0 and the phase interval of the two eigenstates of polarization (ESOPs) is π.

Citation Download Citation

Huizu Lin, Qiong Yao, Yongming Hu, and Lina Ma "90-deg splicing error control in polarization maintaining fiber resonator based on white-light interferometry," Optical Engineering 51(5), 055004 (14 May 2012). https://doi.org/10.1117/1.OE.51.5.055004

Published: 14 May 2012

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