Researching | Wide dynamic range experiments on a resonator fiber optic gyro based on closed-loop frequency locking technique

Chinese Optics Letters, Volume. 13, Issue 2, 020601(2015)

Wide dynamic range experiments on a resonator fiber optic gyro based on closed-loop frequency locking technique

Yongqiu Zheng^1,2, Yongfeng Ren^1,2, Panlong An^1,2, Chengqun Chu^1,2, Xiaofeng Li^1,2, Chenyang Xue^1,2, Jun Liu^1,2, and Shubin Yan^1,2、*

Author Affiliations

¹National Key Laboratory for Electronic Measurement Technology, North University of China, Taiyuan 030051, China

²Key Laboratory of Instrumentation Science and Dynamic Measurement Ministry of Education, North University of China, Taiyuan 030051, China

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Fig. 1. Schematic diagram of the RFOG system.

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Fig. 2. (a) Measured resonant curve. (b) Synchronous demodulated curve.

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Fig. 3. Frequency locking process of the RFOG.

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Fig. 4. Static test result of the RFOG.

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Fig. 5. (a) Gyro outputs when the rotation rates are varied. (b) Linear fitting line between the gyro outputs and the angular velocities.

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Table 1. Calibration Data of Gyro Outputs

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Table 1. Calibration Data of Gyro Outputs

Angular Velocities (deg/s)	Output (mV)	Angular Velocities (deg/s)	Output (mV)
$- 480$	$- 309.64$	480	297.98
$- 420$	$- 271.742$	420	261.275
$- 360$	$- 234.552$	360	225.404
$- 300$	$- 197.899$	300	185.755
$- 240$	$- 160.523$	240	148.097
$- 180$	$- 121.411$	180	110.208
$- 120$	$- 83.429$	120	73.043
$- 60$	$- 44.161$	60	35.235
0	$- 4.013$

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Yongqiu Zheng, Yongfeng Ren, Panlong An, Chengqun Chu, Xiaofeng Li, Chenyang Xue, Jun Liu, Shubin Yan, "Wide dynamic range experiments on a resonator fiber optic gyro based on closed-loop frequency locking technique," Chin. Opt. Lett. 13, 020601 (2015)

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Paper Information

Category: Fiber Optics and Optical Communications

Received: Sep. 25, 2014

Accepted: Nov. 14, 2014

Published Online: Sep. 25, 2018

The Author Email: Shubin Yan (shubin_yan@nuc.edu.cn)

DOI:10.3788/COL201513.020601

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology