Effect of the glass transition of coating adhesive on temperature performance of fiber optic gyroscope and its optimization

Yueze Wang; Tieshui Wang; Lin Ma; Hao Yu; Bohan Liu

doi:10.1117/12.2202813

8 October 2015 Effect of the glass transition of coating adhesive on temperature performance of fiber optic gyroscope and its optimization

Yueze Wang, Tieshui Wang, Lin Ma, Hao Yu, Bohan Liu

Author Affiliations +

Proceedings Volume 9679, AOPC 2015: Optical Fiber Sensors and Applications; 967914 (2015) https://doi.org/10.1117/12.2202813
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China

Abstract

The fiber optic gyroscope (FOG)based on Sagnac effect has became to one of the most important sensors in developing due to light in quality, high accuracy, compact in dimension and long life and has played a very important role in both military and civil use. It is the most difficult problem that the FOG has an obvious bias drift caused by temperature change and temperature grade, so its application is limited to a great extent. Fiber coil is one of the most critical components in FOG. Here, the characteristic of temperature error of the fiber optical coil was analyzed. At first, by studying the glass transition of coating adhesive in the fiber coil, the element model of the fiber coil with the glass transition of coating adhesive in FOG was built. Then the discrete mathematics model of SHUPE error with the glass transition of coating adhesive in FOG was built. Finally, based on the temperature models mentioned above, the effects caused by the glass transition of coating adhesive on temperature performance of fiber optic gyroscope were analyzed. Theoretical analysis and experimental results show that effect caused by the glass transition of coating adhesive had seriously affected the temperature performance of FOG. By optimizing the glass transition temperature of coating adhesive, the SHUPE error of fiber coils can be reduced. At the same time, the amplitude uniformity of the SHUPE error can be improved greatly to reduce the difficulty in temperature compensation.

Citation Download Citation

Yueze Wang, Tieshui Wang, Lin Ma, Hao Yu, and Bohan Liu "Effect of the glass transition of coating adhesive on temperature performance of fiber optic gyroscope and its optimization", Proc. SPIE 9679, AOPC 2015: Optical Fiber Sensors and Applications, 967914 (8 October 2015); https://doi.org/10.1117/12.2202813

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KEYWORDS

Adhesives

Coating

Glasses

Fiber optic gyroscopes

Temperature metrology

Mathematical modeling

Thermal modeling

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