Study of simultaneous measurement of temperature and pressure using double fiber Bragg gratings with polymer package

A. Sun; X. G. Qiao; Z. A. Jia; M. Li; D. Z. Zhao

doi:10.1117/1.1870493

1 March 2005 Study of simultaneous measurement of temperature and pressure using double fiber Bragg gratings with polymer package

A. Sun, X. G. Qiao, Z. A. Jia, M. Li, D. Z. Zhao

Author Affiliations +

Optical Engineering, Vol. 44, Issue 3, 034402 (March 2005). https://doi.org/10.1117/1.1870493

Abstract

A simple and practical method to simultaneously measure pressure and temperature using a double fiber Bragg grating (FBG) sensor is presented in which a double FBG is coated in a particular metal tube by a special polymer. In this manner, the inaccuracy induced by the mismatch of pressure and temperature sensitivity can be overcome effectively. The experimental results indicate that this scheme can measure pressure and temperature simultaneously. The temperature and pressure inaccuracy of sensors is about 0.5°C and 0.5 MPa, respectively, within the measuring range of 20 to 100°C and 0 to 20 MPa.

©(2005) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

A. Sun, X. G. Qiao, Z. A. Jia, M. Li, and D. Z. Zhao "Study of simultaneous measurement of temperature and pressure using double fiber Bragg gratings with polymer package," Optical Engineering 44(3), 034402 (1 March 2005). https://doi.org/10.1117/1.1870493

Published: 1 March 2005

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