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Optical Engineering

90-deg splicing error control in polarization maintaining fiber resonator based on white-light interferometry
Author(s): Huizu Lin; Qiong Yao; Yongming Hu; Lina Ma
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Paper 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.

Paper Details

Date Published: 14 May 2012
PDF: 6 pages
Opt. Eng. 51(5) 055004 doi: 10.1117/1.OE.51.5.055004
Published in: Optical Engineering Volume 51, Issue 5
Show Author Affiliations
Huizu Lin, National Univ. of Defense Technology (China)
Qiong Yao, National Univ. of Defense Technology (China)
Yongming Hu, National Univ. of Defense Technology (China)
Lina Ma, National Univ. of Defense Technology (China)

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