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Proceedings Paper

Novel tilt measurement method based on self-demodulated FBG sensor and pendulum clinometer
Author(s): Jian Yang; Yong Zhao; Shi-Yuan Yang; Yun Xu; Yan Zhao
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Paper Abstract

A novel tilt measurement method is proposed based on self-demodulated fiber Bragg grating (FBG) sensor system, which consists of a couple of matched FBGs and a cantilever-based pendulum clinometer. With a cantilever structure, the tilt angle is measured by means of a differential form of Bragg wavelength shifting, with which the cross-sensitivity of temperature is eliminated simultaneously. It has been proved by both simulations and preliminary experimental results that a high resolution better than 0.0022 degree can be achieved in the range of +/-10 degrees.

Paper Details

Date Published: 14 February 2005
PDF: 8 pages
Proc. SPIE 5634, Advanced Sensor Systems and Applications II, (14 February 2005); doi: 10.1117/12.571711
Show Author Affiliations
Jian Yang, Tsinghua Univ. (China)
Yong Zhao, Tsinghua Univ. (China)
Shi-Yuan Yang, Tsinghua Univ. (China)
Yun Xu, Tsinghua Univ. (China)
Yan Zhao, Tsinghua Univ. (China)

Published in SPIE Proceedings Vol. 5634:
Advanced Sensor Systems and Applications II
Yun-Jiang Rao; Osuk Y. Kwon; Gang-Ding Peng, Editor(s)

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