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Proceedings Paper

Simultaneous measurement of temperature and strain by using a wide-band fiber Bragg grating
Author(s): Lunlun Xian; Peng Wang; Hongpu Li
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Paper Abstract

A novel power-interrogated sensor that allows for the simultaneous measurement of temperature and strain is proposed and experimentally demonstrated. The sensor is based on the use of a linearly chirped fiber Bragg grating (FBG) with a broad (~10 nm) as well as slant reflection spectrum. Unlike most of the previous FBG-based sensors, the FBG proposed here is simultaneously used as both the sensing and the interrogating element. The measurement accuracies for the temperature and the strain are estimated to be ±2 °C in the range of 12-197 °C and ±24in με the range of 0-1270 με, respectively.

Paper Details

Date Published: 8 October 2015
PDF: 7 pages
Proc. SPIE 9679, AOPC 2015: Optical Fiber Sensors and Applications, 96791D (8 October 2015); doi: 10.1117/12.2205659
Show Author Affiliations
Lunlun Xian, Nanjing Univ. of Science and Technology (China)
Peng Wang, Shizuoka Univ. (Japan)
Hongpu Li, Shizuoka Univ. (Japan)

Published in SPIE Proceedings Vol. 9679:
AOPC 2015: Optical Fiber Sensors and Applications
Yanbiao Liao; Weixu Zhang; Desheng Jiang; Wei Wang; Gilberto Brambilla, Editor(s)

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