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Proceedings Paper

Switched FDM operation of fiber Bragg grating sensors using subcarrier intensity modulation
Author(s): Peter K. C. Chan; Wei Jin; M. Suleyman Demokan
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Paper Abstract

We report on the experimental demonstration of a switched frequency domain technique for multiplexing of fiber Bragg grating sensors using subcarrier intensity modulation. The technique can be used to address fiber Bragg grating sensor arrays consisting of multiple branches and is capable of multiplexing fiber Bragg gratings of either identical or different Bragg wavelengths. The crosstalk between sensors was found to be negligible.

Paper Details

Date Published: 21 July 1998
PDF: 8 pages
Proc. SPIE 3330, Smart Structures and Materials 1998: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials, (21 July 1998); doi: 10.1117/12.316979
Show Author Affiliations
Peter K. C. Chan, Hong Kong Polytechnic Univ. (Hong Kong)
Wei Jin, Hong Kong Polytechnic Univ. (Hong Kong)
M. Suleyman Demokan, Hong Kong Polytechnic Univ. (Hong Kong)


Published in SPIE Proceedings Vol. 3330:
Smart Structures and Materials 1998: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials
Richard O. Claus; William B. Spillman, Editor(s)

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