Influence of Mean Wavelength on Scale Factor of Fiber Optic Gyroscope

Heyu Chen; Yue Zheng; Xiaxiao Wang; Hongjie Xu; Chunxi Zhang

doi:10.3788/CJL201946.0306002

Chinese Journal of Lasers, Volume. 46, Issue 3, 0306002(2019)

Influence of Mean Wavelength on Scale Factor of Fiber Optic Gyroscope

Heyu Chen^*, Yue Zheng, Xiaxiao Wang, Hongjie Xu, and Chunxi Zhang

School of Instrument Science and Opto-Electronics Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Figures & Tables(4)

Fig. 1. Mean light frequency for open-loop FOG. (a) General condition; (b) low rotation rate

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Fig. 2. 400 Hz output data of FOG with 2π-reset error at rest

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Table 1. Test results of scale factor of different light sources under different conditionss·(°)-1

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Table 1. Test results of scale factor of different light sources under different conditionss·(°)-1

Test status	Mean wavelength of 1560 nm	Mean wavelength of 1531 nm
Second feedback loop working	2050575	2089412
Second feedback loop not working	2050575	2082694
Reset error not involved in rotation feedback loop	2050456	2059007

Table 2. Test results for influences of spectral transmission functions of optical devices on scale factor
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Table 2. Test results for influences of spectral transmission functions of optical devices on scale factor
Experimental condition Mean wavelength at detector /nm Measured scale factor /[s·(°)^-1]
With Er-doped optical fiber 1560.6466 3028800
With coupler 1562.8319 3023900
Variation 1.400×10^-3 1.618×10^-3

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Heyu Chen, Yue Zheng, Xiaxiao Wang, Hongjie Xu, Chunxi Zhang. Influence of Mean Wavelength on Scale Factor of Fiber Optic Gyroscope[J]. Chinese Journal of Lasers, 2019, 46(3): 0306002

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Paper Information

Category: fiber optics and optical communications

Received: Nov. 11, 2018

Accepted: Dec. 18, 2018

Published Online: May. 9, 2019

The Author Email:

DOI:10.3788/CJL201946.0306002

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Test results of scale factor of different light sources under different conditionss·(°)-1

Table 1. Test results of scale factor of different light sources under different conditionss·(°)-1

Table 2. Test results for influences of spectral transmission functions of optical devices on scale factor

Table 2. Test results for influences of spectral transmission functions of optical devices on scale factor