Measurement of the three-dimensional thermal expansion coefficients of Beryllium using fiber Bragg grating sensors

Xiujuan Yu; Youlong Yu; Baojin Peng; Min Zhang; Yanbiao Liao; Shurong Lai

doi:10.1117/12.668394

20 January 2006 Measurement of the three-dimensional thermal expansion coefficients of Beryllium using fiber Bragg grating sensors

Xiujuan Yu, Youlong Yu, Baojin Peng, Min Zhang, Yanbiao Liao, Shurong Lai

Author Affiliations +

Proceedings Volume 6027, ICO20: Optical Information Processing; 602743 (2006) https://doi.org/10.1117/12.668394
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

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.

Citation Download Citation

Xiujuan Yu, Youlong Yu, Baojin Peng, Min Zhang, Yanbiao Liao, and Shurong Lai "Measurement of the three-dimensional thermal expansion coefficients of Beryllium using fiber Bragg grating sensors", Proc. SPIE 6027, ICO20: Optical Information Processing, 602743 (20 January 2006); https://doi.org/10.1117/12.668394

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