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Proceedings Paper

High birefringent fibers for stress detection
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Paper Abstract

Initial results of study a lateral stress, static and dynamic, on a light propagation in a high birefringent fiber are presented. A permanent birefringence in optical fiber arises due to large thermal stress in the core. Ambient parameters like temperature and hydrostatic pressure influence the stress anisotropy and thus the light propagation. The parameters can be assumed as uniform and the optical response does not depend on the position of the fiber birefringent axes. For a stress (lateral pressure) the optical response of a fiber reveals an azimuth dependence on mutual direction of an exerted pressure and birefringent axes. With dynamic perturbation, even slowly varying, some additional effects like strain can not be avoided. The effective optical response is composed and strongly depends on the direction of stress.

Paper Details

Date Published: 1 April 2003
PDF: 6 pages
Proc. SPIE 5064, Lightmetry 2002: Metrology and Testing Techniques Using Light, (1 April 2003); doi: 10.1117/12.501548
Show Author Affiliations
Marcin Roszko, Warsaw Univ. of Technology (Poland)
Andrzej W. Domanski, Warsaw Univ. of Technology (Poland)
Tomasz R. Wolinski, Warsaw Univ. of Technology (Poland)
Marek Wojciech Sierakowski, Warsaw Univ. of Technology (Poland)
Piotr Lesiak, Warsaw Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 5064:
Lightmetry 2002: Metrology and Testing Techniques Using Light
Maksymilian Pluta; Mariusz Szyjer, Editor(s)

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