Design of a three-axis magnetic field measurement system for the magnetic shield of the ring laser gyroscope

Chuiyu Rong; Xu Yao

doi:10.1117/12.2199871

8 October 2015 Design of a three-axis magnetic field measurement system for the magnetic shield of the ring laser gyroscope

Chuiyu Rong, Xu Yao

Author Affiliations +

Proceedings Volume 9677, AOPC 2015: Optical Test, Measurement, and Equipment; 96771W (2015) https://doi.org/10.1117/12.2199871
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China

Abstract

The magnetic field is one of the main causes of zero drift in a Ring Laser Gyroscope (RLG), which should be avoided by adopting a magnetic shielding system. The Gauss Meter is usually used to measure the magnetic shielding effectiveness. Generally, the traditional Gauss Meter has advantages of high measure range and high reliability, however, its drawbacks such as complex structure, high price and the PC client software cannot be customized at will, are also obvious. In this paper, aiming at a type of experimental magnetic shielding box of RLG, we design a new portable three-axis magnetic field measurement system. This system has both high modularity degree and reliability, with measuring range at ±48Gs, max resolution at 1.5mGs and can measure the magnetic field in x, y and z direction simultaneously. Besides, its PC client software can be easily customized to achieve the automatic DAQ, analysis, plotting and storage functions. The experiment shows that, this system can meet the measuring requirements of certain type of experimental magnetic shielding box for RLG, meanwhile, for the measurement of some other magnetic shielding effectiveness, this system is also applicable.

Citation Download Citation

Chuiyu Rong and Xu Yao "Design of a three-axis magnetic field measurement system for the magnetic shield of the ring laser gyroscope", Proc. SPIE 9677, AOPC 2015: Optical Test, Measurement, and Equipment, 96771W (8 October 2015); https://doi.org/10.1117/12.2199871

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