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Proceedings Paper

Temperature-insensitive fiber-Bragg-grating-based vibration sensor
Author(s): Ka On Lee; K. S. Chiang; Zhihao Chen
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Paper Abstract

IN this paper we propose a simple optical fiber sensor for the measurement of vibration. The sensor consists of two fiber Bragg gratings, which have partially overlapped reflection spectra and are mounted on the opposite sides of a flexible beam. With this setting, the light intensity reflected by the gratings is modulated by the vibration of the beam and adverse thermal effects can be largely eliminated. Experimental results are presented to demonstrate the feasibility of the sensor.

Paper Details

Date Published: 13 June 2001
PDF: 6 pages
Proc. SPIE 4317, Second International Conference on Experimental Mechanics, (13 June 2001); doi: 10.1117/12.429642
Show Author Affiliations
Ka On Lee, City Univ. of Hong Kong (Hong Kong)
K. S. Chiang, City Univ. of Hong Kong (Hong Kong)
Zhihao Chen, Nanyang Technological Univ. (United States)

Published in SPIE Proceedings Vol. 4317:
Second International Conference on Experimental Mechanics
Fook Siong Chau; Chenggen Quan, Editor(s)

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