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Proceedings Paper

Preliminary study of the optimization of polarimetric fiber stress sensors
Author(s): Michael Campbell; Gong Zheng; Peter A. Wallace
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Paper Abstract

This paper presents two new approaches to distributed optical fiber stress sensors whose principle of operation is based on the FMCW technique. In each case, the sensor utilizes a single length of birefringent fiber which has a mirror at one end to act as the sensing element. The two forward-coupled beams which derive from the incident light beam and reflected light beam in the fiber are used to determine the position and intensity of the stress. In addition, the second sensor uses a polarization maintaining optical fiber coupler instead of the bulk optical elements so that it is more compact than the first one. These experiments have shown that both sensors have many advantages, including large signal intensity, good signal contrast, high resolution and long length of sensing arm.

Paper Details

Date Published: 3 January 1996
PDF: 5 pages
Proc. SPIE 2594, Self-Calibrated Intelligent Optical Sensors and Systems, (3 January 1996); doi: 10.1117/12.229221
Show Author Affiliations
Michael Campbell, Glasgow Caledonian Univ. (United Kingdom)
Gong Zheng, Glasgow Caledonian Univ. (United Kingdom)
Peter A. Wallace, Glasgow Caledonian Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 2594:
Self-Calibrated Intelligent Optical Sensors and Systems
Anbo Wang, Editor(s)

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