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29 January 2007 Measurements of fibers' thermal-optic coefficient based on optical fiber Bragg grating sensor
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Proceedings Volume 6279, 27th International Congress on High-Speed Photography and Photonics; 627961 (2007) https://doi.org/10.1117/12.725504
Event: 27th International congress on High-Speed Photography and Photonics, 2006, Xi'an, China
Abstract
Optic fibers are applied in the field of high speed photography more and more, for its good properties. At present, various new-style fibers come out, and these new-style optic fibers' core material are not based on pure quartz traditionally. To know the new-style fibers' properties quantitatively, thermal-optic coefficient is indispensable to get. Therefore this article describes a new way to measure fibers' thermal-optic coefficient based on optical fiber Bragg grating(FBG) sensor. With a temperature referrence grating and a measuremental grating, experimental system is developed, combined with the characteristics of fiber Bragg grating. Experimental setup and measurement principle are discussed. The result of experiment proves that the system can solve the existent cross sensitive problem which caused by temperature and the strain effectively. The fibers' thermal-optic coefficient are measured successfully, within ±1%.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jing Ye, Baojin Peng, Jianwen Fang, Tiefei Huang, Yan-biao Liao, and Min Zhang "Measurements of fibers' thermal-optic coefficient based on optical fiber Bragg grating sensor", Proc. SPIE 6279, 27th International Congress on High-Speed Photography and Photonics, 627961 (29 January 2007); doi: 10.1117/12.725504; https://doi.org/10.1117/12.725504
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