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Proceedings Paper

Time-division-multiplexed two-mode sensor array
Author(s): Timothy A. Berkoff; Alan D. Kersey
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Paper Abstract

Two-mode fiber sensors based on elliptical-core fiber are of interest in a variety of strain sensing applications particularly in embedded fiber sensor systems. In recent papers we have reported passive interrogation techniques for such sensors configured in a lead-insensitive mode of operation. In this paper, we describe a time division multiplexed array of two-mode elliptical-core fiber sensors, based on the use of reflectometric sensor elements and passive laser FM based phase shift interrogation. Results obtained with a 4 channel system are presented.

Paper Details

Date Published: 5 March 1993
PDF: 9 pages
Proc. SPIE 1797, Distributed and Multiplexed Fiber Optic Sensors II, (5 March 1993); doi: 10.1117/12.141293
Show Author Affiliations
Timothy A. Berkoff, SFA, Inc. (United States)
Alan D. Kersey, Naval Research Lab. (United States)

Published in SPIE Proceedings Vol. 1797:
Distributed and Multiplexed Fiber Optic Sensors II
John P. Dakin; Alan D. Kersey, Editor(s)

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