Design of fiber grating sensor with polymer packaged for simultaneous measurements of pressure and temperature

Yunqi Liu; Zhuanyun Guo; Ying Zhang; Heliang Liu; Zhiguo Liu; Xiaoyi Dong

doi:10.1117/12.385579

9 May 2000 Design of fiber grating sensor with polymer packaged for simultaneous measurements of pressure and temperature

Yunqi Liu, Zhuanyun Guo, Ying Zhang, Heliang Liu, Zhiguo Liu, Xiaoyi Dong

Author Affiliations +

Proceedings Volume 4077, International Conference on Sensors and Control Techniques (ICSC 2000); (2000) https://doi.org/10.1117/12.385579
Event: International Conference on Sensors and Control Techniques (ICSC2000), 2000, Wuhan, China

Abstract

A small volume fiber Bragg grating (FBG) sensor head is designed by using especial package technique with polymer material to measure the pressure and temperature simultaneously, which can solve the temperature cross- sensitivity of FBG effectively. We measure the pressure and temperature simultaneously using only one grating by measuring the wavelength of the two reflective peaks with different pressure and temperature sensitivity coefficients through the process of packaging FBG. Due to the wavelength resolution of 0.002 nm, the resolution of the pressure and temperature measurements are 0.36 MPa and 0.30 degree(s)C for grating A, 0.14 MPa and 0.12 degree(s)C for grating B.

Citation Download Citation

Yunqi Liu, Zhuanyun Guo, Ying Zhang, Heliang Liu, Zhiguo Liu, and Xiaoyi Dong "Design of fiber grating sensor with polymer packaged for simultaneous measurements of pressure and temperature", Proc. SPIE 4077, International Conference on Sensors and Control Techniques (ICSC 2000), (9 May 2000); https://doi.org/10.1117/12.385579

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