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Title: Multiplexing of fiber Bragg grating sensors using an FMCW technique
Authors: Chan, PKC
Jin, W 
Gong, JM
Demokan, S
Keywords: Fiber Bragg gratings
Frequency division multiplexing
Optical fiber sensors
Issue Date: Nov-1999
Publisher: IEEE
Source: IEEE photonics technology letters, Nov. 1999, v. 11, no. 11, p.1470-1472 How to cite?
Journal: IEEE photonics technology letters 
Abstract: We report on the use of a frequency-domain reflectometry technique for multiplexing fiber Bragg grating (FBG) sensors. This technique is based on the modulation of light intensity from a broadband source by a swept-frequency RF carrier. Signals from the FBG sensors located at different positions in an array are separated in the frequency-domain and demodulated using a tunable optical filter. A three FBG sensor system is experimentally demonstrated. The potential of the technique for multiplexing a large number of FBG sensors is discussed.
ISSN: 1041-1135
DOI: 10.1109/68.803082
Rights: © 1999 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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