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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 17 — Sep. 1, 2012
  • pp: 3588–3590

Effects of back reflection on the fiber ring laser gyroscope

Wen Ji, Shufen Chen, Lei Fu, and Zhengfeng Zou  »View Author Affiliations

Optics Letters, Vol. 37, Issue 17, pp. 3588-3590 (2012)

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In this Letter, the effects of the backreflection coefficient on a fiber ring laser gyroscope (FRLG) are discussed in detail. By applying the mode coupling equations, the eigenmodes in the FRLG are theoretically analyzed. We have found that the degree of intensity oscillation is intimately related to the backreflection coefficient in the FRLG; we have also explored the theoretical responding curve of FRLG. By utilizing a bidirectional filter with a tunable backreflection coefficient, our conclusions are proven. Two responding curves were obtained under two different backreflection coefficients, the scale factors of which are 1.4405kHz/deg·s1 and 1.3096kHz/deg·s1, respectively. The lock-in ranges of the curves are within 10deg/s and 15deg/s.

© 2012 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2800) Fiber optics and optical communications : Gyroscopes
(280.3420) Remote sensing and sensors : Laser sensors

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: June 26, 2012
Revised Manuscript: July 20, 2012
Manuscript Accepted: July 22, 2012
Published: August 24, 2012

Wen Ji, Shufen Chen, Lei Fu, and Zhengfeng Zou, "Effects of back reflection on the fiber ring laser gyroscope," Opt. Lett. 37, 3588-3590 (2012)

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