Temperature-insensitive fiber-Bragg-grating-based vibration sensor

Ka On Lee; K. S. Chiang; Zhihao Chen

doi:10.1117/12.429642

13 June 2001 Temperature-insensitive fiber-Bragg-grating-based vibration sensor

Ka On Lee, K. S. Chiang, Zhihao Chen

Proceedings Volume 4317, Second International Conference on Experimental Mechanics; (2001) https://doi.org/10.1117/12.429642
Event: Second International Conference on Experimental Mechanics, 2000, Singapore, Singapore

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.

Citation Download Citation

Ka On Lee, K. S. Chiang, and Zhihao Chen "Temperature-insensitive fiber-Bragg-grating-based vibration sensor", Proc. SPIE 4317, Second International Conference on Experimental Mechanics, (13 June 2001); https://doi.org/10.1117/12.429642

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