24 October 2017 Effect of spherical nonuniform distribute magnetic field on FOG
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Proceedings Volume 10464, AOPC 2017: Fiber Optic Sensing and Optical Communications; 104641B (2017) https://doi.org/10.1117/12.2285161
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China
Abstract
Using matrix optics and optical propagation theory, a model for bias errors of an optical fiber gyroscope (FOG) caused by the spherical nonuniform distribute magnetic field has been deduced. Based on the above model, the effect on the FOG caused by the nonuniform distribute magnetic field and common circuit board is also analyzed. Results indicate that, i) the nearer of distance between the center of magnetic field and the fiber loop, the bigger of the bias errors of FOG will be; ii) relationship between bias and magnetic field direction is a inclined sine; iii) outside of the loop, the bigger of the height H0, the smaller of the bias error will be; iv) inside of the loop, the bias error is independent on the height H0; v) the common circuit board which radiate intensity is very weak can also cause unstable and direction related of the FOG’s output. Abolve conclusions may be useful for understanding the effect of actual magnetic field.
© (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jianling Yin, Jianling Yin, Jun Lu, Jun Lu, Wengang Hu, Wengang Hu, Shaojuan Mao, Shaojuan Mao, Yudan Chen, Yudan Chen, } "Effect of spherical nonuniform distribute magnetic field on FOG", Proc. SPIE 10464, AOPC 2017: Fiber Optic Sensing and Optical Communications, 104641B (24 October 2017); doi: 10.1117/12.2285161; https://doi.org/10.1117/12.2285161
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