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Proceedings Paper

Measurement of the three-dimensional thermal expansion coefficients of Beryllium using fiber Bragg grating sensors
Author(s): Xiujuan Yu; Youlong Yu; Baojin Peng; Min Zhang; Yanbiao Liao; Shurong Lai
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Paper Abstract

Fiber Bragg grating is simple, intrinsic sensing elements which can be photo-inscribed into a silica fiber. It has many advantages and be useful for a variety of application. In this paper, we reported the experimental results of measuring the three-dimensional thermal expansion coefficients of Beryllium by using fiber Bragg grating (FBG) sensors within a large temperature range between -50°C and +150°C. Three FBG sensors were bonded on the surface of the material in the directions of x, y, z to measure the three-dimensional thermal expansion coefficients and a reference FBG sensor was used to compensate the temperature variation. The experimental results show that it can be used in harsh environment.

Paper Details

Date Published: 20 January 2006
PDF: 6 pages
Proc. SPIE 6027, ICO20: Optical Information Processing, 602743 (20 January 2006); doi: 10.1117/12.668394
Show Author Affiliations
Xiujuan Yu, HeiLongjiang Univ. (China)
Tsinghua Univ. (China)
Youlong Yu, HeiLongjiang Univ. (China)
Jinan Univ. (China)
Baojin Peng, Tsinghua Univ. (China)
ZheJiang Normal Univ. (China)
Min Zhang, Tsinghua Univ. (China)
Yanbiao Liao, Tsinghua Univ. (China)
Shurong Lai, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 6027:
ICO20: Optical Information Processing
Yunlong Sheng; Songlin Zhuang; Yimo Zhang, Editor(s)

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