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Proceedings Paper

Research on glass ceramics with negative coefficient of thermal expansion used as fiber Bragg grating substrate
Author(s): Lijun Kang; Tong Liu; Zhimei Su; Yu'e Kong
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Paper 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.

Paper Details

Date Published: 12 May 2004
PDF: 6 pages
Proc. SPIE 5280, Materials, Active Devices, and Optical Amplifiers, (12 May 2004); doi: 10.1117/12.520427
Show Author Affiliations
Lijun Kang, Xi'an Institute of Optics and Precision Mechanics (China)
Tong Liu, Xi'an Institute of Optics and Precision Mechanics (China)
Zhimei Su, Xi'an Institute of Optics and Precision Mechanics (China)
Yu'e Kong, Xi'an Institute of Optics and Precision Mechanics (China)


Published in SPIE Proceedings Vol. 5280:
Materials, Active Devices, and Optical Amplifiers
Connie J. Chang-Hasnain; Dexiu Huang; Yoshiaki Nakano; Xiaomin Ren, Editor(s)

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