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Proceedings Paper

Earth's rotation rate detection using an extremely large semiconductor fiber optic gyroscope extending over 10,000 m2
Author(s): Keizo Inagaki; Shuichi Tamura; Tomoko Tanaka; Hiroyuki Noto; Takahisa Harayama
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Paper Abstract

We detect the Earth's rotation rate using a semiconductor fiber optic gyroscope (S-FOG), which is an active ring laser gyroscope that consists of a semiconductor optical amplifier (SOA) and a fiber optic ring resonator. Four different optical fiber layouts with different scale factors in rotation rate measurement are configured and measured. Expected Sagnac beat signals proportional to the scale factors are observed. The maximum layout of S-FOG is extended over 10,898 m2, which, to our knowledge, is the largest active ring laser gyroscope ever built.

Paper Details

Date Published: 16 May 2008
PDF: 4 pages
Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70045F (16 May 2008); doi: 10.1117/12.786329
Show Author Affiliations
Keizo Inagaki, ATR Wave Engineering Labs. (Japan)
Shuichi Tamura, ATR Wave Engineering Labs. (Japan)
Tomoko Tanaka, ATR Wave Engineering Labs. (Japan)
Hiroyuki Noto, ATR Wave Engineering Labs. (Japan)
Takahisa Harayama, ATR Wave Engineering Labs. (Japan)


Published in SPIE Proceedings Vol. 7004:
19th International Conference on Optical Fibre Sensors

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