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Proceedings Paper

Birefringence sensor based on coupling between exact constituent modes of LP11 in standard fiber
Author(s): Ian J. Read; David D. Sampson
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Paper Abstract

A novel fiber sensor based on the interference of the exact constituent modes of the LP11 fiber mode of a solitary standard-communication-grade optical fiber is demonstrated. The coupling of the constituent modes due to birefringence is shown to produce a linear rotation of the lobes at the fiber output. A novel passive demodulation scheme is used to produce signals in quadrature. A simple demonstration of its application to torsional vibration is presented.

Paper Details

Date Published: 9 March 1994
PDF: 10 pages
Proc. SPIE 2070, Fiber Optic and Laser Sensors XI, (9 March 1994); doi: 10.1117/12.169918
Show Author Affiliations
Ian J. Read, Univ. of Kent at Canterbury (United Kingdom)
David D. Sampson, Univ. of Kent at Canterbury (United Kingdom)

Published in SPIE Proceedings Vol. 2070:
Fiber Optic and Laser Sensors XI
Ramon P. DePaula, Editor(s)

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