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