Time-division-multiplexed two-mode sensor array

Timothy A. Berkoff; Alan D. Kersey

doi:10.1117/12.141293

5 March 1993 Time-division-multiplexed two-mode sensor array

Timothy A. Berkoff, Alan D. Kersey

Proceedings Volume 1797, Distributed and Multiplexed Fiber Optic Sensors II; (1993) https://doi.org/10.1117/12.141293
Event: Fibers '92, 1992, Boston, MA, United States

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.

Citation Download Citation

Timothy A. Berkoff and Alan D. Kersey "Time-division-multiplexed two-mode sensor array", Proc. SPIE 1797, Distributed and Multiplexed Fiber Optic Sensors II, (5 March 1993); https://doi.org/10.1117/12.141293

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