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Proceedings Paper

Research on signal detection of re-entrant fiber optic gyroscope
Author(s): Xianhui Mao; Qian Tian; Liqun Sun; Yanshen Zhang; Xiaoming Wu; Jinjiang Liu
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Paper Abstract

Re-entrant fiber optic gyroscope (Re-FOG), using a shorter Sangnac sensitive ring (SSR), makes the two counter-propagandizing lights re-enter the ring before they interference with each other when they reach the photo-detector. By this means, the Re-FOG gets the same detecting accuracy as the conventional interferometric fiber optic gyroscope (IFOG) that has several times length of the sensitive ring. In this paper, the principle of the Re-FOG is first reviewed. Then the output signal is analyzed. Finally a method of signal detection is presented.

Paper Details

Date Published: 14 February 2005
PDF: 5 pages
Proc. SPIE 5634, Advanced Sensor Systems and Applications II, (14 February 2005); doi: 10.1117/12.573536
Show Author Affiliations
Xianhui Mao, Tsinghua Univ. (China)
Qian Tian, Tsinghua Univ. (China)
Liqun Sun, Tsinghua Univ. (China)
Yanshen Zhang, Tsinghua Univ. (China)
Xiaoming Wu, Tsinghua Univ. (China)
Jinjiang Liu, Chongqing Univ. (China)

Published in SPIE Proceedings Vol. 5634:
Advanced Sensor Systems and Applications II
Yun-Jiang Rao; Osuk Y. Kwon; Gang-Ding Peng, Editor(s)

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