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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 46, Iss. 22 — Aug. 1, 2007
  • pp: 4890–4895

Ringing phenomenon of the fiber ring resonator

Diqing Ying, Huilian Ma, and Zhonghe Jin  »View Author Affiliations

Applied Optics, Vol. 46, Issue 22, pp. 4890-4895 (2007)

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A resonator fiber-optic gyro (R-FOG) is a high-accuracy inertial rotation sensor based on the Sagnac effect. A fiber ring resonator is the core sensing element in the R-FOG. When the frequency of the fiber ring resonator input laser is swept linearly with time, ringing of the output resonance curve is observed. The output field of the fiber ring resonator is derived from the superposition of the light transmitted through the directional coupler directly and the multiple light components circulated in the fiber ring resonator when the frequency of the laser is swept. The amplitude and phase of the output field are analyzed, and it is found that the difference in time for different light components in the fiber ring resonator to reach a point of destructive interference causes the ringing phenomenon. Finally the ringing phenomenon is observed in experiments, and the experimental results agree with the theoretical analysis well.

© 2007 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.2800) Fiber optics and optical communications : Gyroscopes

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: November 1, 2006
Revised Manuscript: April 13, 2007
Manuscript Accepted: April 24, 2007
Published: July 3, 2007

Diqing Ying, Huilian Ma, and Zhonghe Jin, "Ringing phenomenon of the fiber ring resonator," Appl. Opt. 46, 4890-4895 (2007)

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