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Proceedings Paper

Axial strain sensitivity of single-mode optical fibers (exact solution)
Author(s): Claudio Oliveira Egalon; Robert S. Rogowski
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Paper Abstract

Axial strain may be determined by monitoring the phase shift of a single mode optical fiber. Whenever an optical fiber is under stress, the optical path length, the index of refraction, and the propagation constants of each fiber mode change. In consequence, the phase term, (beta) (Zeta) , is also modified. In this paper, a relationship for the phase shift, due to axial strain, of the hybrid modes HE1n and EH1n is presented using the exact field solution. This relation is applied to single mode fibers in order to determine phase sensitivity characteristics.

Paper Details

Date Published: 12 July 1993
PDF: 12 pages
Proc. SPIE 1918, Smart Structures and Materials 1993: Smart Sensing, Processing, and Instrumentation, (12 July 1993); doi: 10.1117/12.147984
Show Author Affiliations
Claudio Oliveira Egalon, NASA Langley Research Ctr. (United States)
Robert S. Rogowski, NASA Langley Research Ctr. (United States)

Published in SPIE Proceedings Vol. 1918:
Smart Structures and Materials 1993: Smart Sensing, Processing, and Instrumentation
Richard O. Claus, Editor(s)

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