Influencing Factors of Open-Loop Fiber Optic Gyroscope with Large Dynamic Range Quadrature Demodulation Algorithm

Jia Li; Chen Meng; Ya Su; Shengbao Wu; Peng Hao; X.Steve Yao

doi:10.3788/LOP202259.1706004

Laser & Optoelectronics Progress, Volume. 59, Issue 17, 1706004(2022)

Influencing Factors of Open-Loop Fiber Optic Gyroscope with Large Dynamic Range Quadrature Demodulation Algorithm

Jia Li^1,2, Chen Meng^1,2, Ya Su^1,2, Shengbao Wu^1,2, Peng Hao^1,2、*, and X.Steve Yao^1,2

¹Photonics Information Innovation Center, College of Physics and Technology, Hebei University, Baoding 071002, Hebei , China

²Hebei Provincial Center for Optical Sensing Innovations, Baoding 071002, Hebei , China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(6)

Fig. 1. Principle of the open-loop fiber optic gyroscope

Download full size

Fig. 2. Quadrant osition of Sagnac phase shift $φ_{s}$ in the range of 0‒2π

Download full size

Fig. 3. Feedback control flow chart of $f_{m}$ and $V_{P P}$

Download full size

Fig. 4. Relationship between modulation error and demodulation error. (a) $φ_{s} = 0$ ; (b) $φ_{s} = π / 4$ ; (c) $φ_{s} = 7 π / 6$ ; (d) $φ_{s} = 5 π / 3$

Download full size

Fig. 5. Effect of frequency offset $Δ f_{m}$ and voltage peak to peak offset $Δ V_{P P}$ on demodulation accuracy. (a) $φ_{s} = 0$ ; (b) $φ_{s} = π / 4$ ; (c) $φ_{s} = 7 π / 6$ ; (d) $φ_{s} = 5 π / 3$

Download full size

Fig. 6. Effects of sampling phase error on demodulation phase standard deviation $S$

Download full size

Tools

Get Citation

Copy Citation Text

Jia Li, Chen Meng, Ya Su, Shengbao Wu, Peng Hao, X.Steve Yao. Influencing Factors of Open-Loop Fiber Optic Gyroscope with Large Dynamic Range Quadrature Demodulation Algorithm[J]. Laser & Optoelectronics Progress, 2022, 59(17): 1706004

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Fiber Optics and Optical Communications

Received: Dec. 4, 2021

Accepted: Jan. 11, 2022

Published Online: Jul. 22, 2022

The Author Email: Peng Hao (haopeng@hbu.edu.cn)

DOI:10.3788/LOP202259.1706004

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology