Measuring Longitudinal Strain In Optical Fibers

Michael R. Brininstool

doi:10.1117/12.7974203

1 November 1987 Measuring Longitudinal Strain In Optical Fibers

Michael R. Brininstool

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Optical Engineering, Vol. 26, Issue 11, 261112 (November 1987). https://doi.org/10.1117/12.7974203

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.

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Michael R. Brininstool "Measuring Longitudinal Strain In Optical Fibers," Optical Engineering 26(11), 261112 (1 November 1987). https://doi.org/10.1117/12.7974203

Published: 1 November 1987

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