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Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/358

Title: Multiplexing of fiber Bragg grating sensors using an FMCW technique
Authors: Chan, Peter K. C.
Jin, Wei
Gong, J. M.
Demokan, Suleyman
Subjects: Fiber Bragg gratings
Frequency division multiplexing
Optical fiber sensors
Issue Date: Nov-1999
Publisher: IEEE
Citation: IEEE photonics technology letters, Nov. 1999, v. 11, no. 11, p.1470-1472.
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.
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.
This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.
Type: Journal/Magazine Article
URI: http://hdl.handle.net/10397/358
ISSN: 10411135
Appears in Collections:EE Journal/Magazine Articles

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