12 May 2004 Research on glass ceramics with negative coefficient of thermal expansion used as fiber Bragg grating substrate
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Proceedings Volume 5280, Materials, Active Devices, and Optical Amplifiers; (2004) https://doi.org/10.1117/12.520427
Event: Asia-Pacific Optical and Wireless Communications, 2003, Wuhan, China
Abstract
The β-eucryptite glass ceramics with negative coefficient of thermal expansion (CTE) is studied in this paper. And the coefficient of thermal expansion, the crystal phases and the structure are researched by XRD and SEM. The β-eucryptite glass ceramics with negative CTE is produced by glass crystallization method, and whose negative CTE of -103.7×10-7/°C (from room temperature to 200°C) is obtained, which can be used as fiber Bragg grating (FBG) substrate. The substrate shrinks with a rise in temperature which compensates for the Bragg wavelength shift with temperature. It can be confirmed that β-eucryptite glass ceramics have suitable thermal expansion characteristics for FBG.
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Lijun Kang, Lijun Kang, Tong Liu, Tong Liu, Zhimei Su, Zhimei Su, Yu'e Kong, Yu'e Kong, } "Research on glass ceramics with negative coefficient of thermal expansion used as fiber Bragg grating substrate", Proc. SPIE 5280, Materials, Active Devices, and Optical Amplifiers, (12 May 2004); doi: 10.1117/12.520427; https://doi.org/10.1117/12.520427
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