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Optical Engineering

Measuring Longitudinal Strain In Optical Fibers
Author(s): Michael R. Brininstool
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Paper Abstract

The measurement of longitudinal strain of optical fibers using several optical techniques is discussed. A review of the optical principles used to design each measurement system is included. Mathematical expressions for strain due to tensile stress, thermal stress, and hydrostatic pressure are provided. Each technique is based upon directly or indirectly measuring the change in the transit time of an optical signal injected into the test fiber. Equations are provided that relate the strain to the change in fiber transit time. Examples of calibration results and cable tests are given.

Paper Details

Date Published: 1 November 1987
PDF: 8 pages
Opt. Eng. 26(11) 261112 doi: 10.1117/12.7974203
Published in: Optical Engineering Volume 26, Issue 11
Show Author Affiliations
Michael R. Brininstool, Naval Ocean Systems Center (United States)

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