Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/350
Title: Enhanced multiplexing capacity of low-coherence reflectometric sensors with a loop topology
Authors: Yuan, L
Jin, W 
Zhou, L 
Hoo, YL
Demokan, S
Keywords: Fiber-optic sensors
Low-coherence reflectometry
Quasidistributed sensors
Strain sensors
Issue Date: Aug-2002
Publisher: IEEE
Source: IEEE photonics technology letters, Aug. 2002, v. 14, no. 8, p.1157-1159 How to cite?
Journal: IEEE photonics technology letters 
Abstract: A novel scheme for enhancing the multiplexing capacity of low-coherence reflectometric sensors is demonstrated. The scheme is based on connecting the sensing elements in serial in a loop configuration, allowing each of the sensors within the array being interrogated twice from opposite directions. The bi-directional interrogation doubles the multiplexing capacity while maintains the signal to noise ratio. The double interrogation scheme would allow the normal operation of the sensor array even when one end of the transmission fiber were broken, improving the reliability of the sensing system for large-scale structural monitoring.
URI: http://hdl.handle.net/10397/350
ISSN: 1041-1135
DOI: 10.1109/LPT.2002.1022001
Rights: © 2002 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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