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Proceedings Paper

Effect of the glass transition of coating adhesive on temperature performance of fiber optic gyroscope and its optimization
Author(s): Yueze Wang; Tieshui Wang; Lin Ma; Hao Yu; Bohan Liu
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Paper 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.

Paper Details

Date Published: 8 October 2015
PDF: 6 pages
Proc. SPIE 9679, AOPC 2015: Optical Fiber Sensors and Applications, 967914 (8 October 2015); doi: 10.1117/12.2202813
Show Author Affiliations
Yueze Wang, Tianjin Navigation Instrument Research Institute (China)
Tieshui Wang, Tianjin Product Quality Inspection Technology Research Institute (China)
Lin Ma, Tianjin Navigation Instrument Research Institute (China)
Hao Yu, Tianjin Navigation Instrument Research Institute (China)
Bohan Liu, Tianjin Navigation Instrument Research Institute (China)


Published in SPIE Proceedings Vol. 9679:
AOPC 2015: Optical Fiber Sensors and Applications
Yanbiao Liao; Weixu Zhang; Desheng Jiang; Wei Wang; Gilberto Brambilla, Editor(s)

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