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Optical Engineering

Investigation of the effects of temporal thermal gradients in fiber optic gyroscope sensing coils
Author(s): Cassie M. Lofts; Paul B. Ruffin; Mike D. Parker; Chi C. Sung
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Paper Abstract

We investigate the effects of the nonreciprocity caused by time-varying, radial thermal gradients in interferometric fiber gyroscope sensing coils. Four identical sensing coils have been wound with elliptical core and Panda polarization-maintaining fibers in straight and quadrupolar wind configurations. The induced gyro bias drift, measured as a function of the elevated temperature and time, is presented and compared with a simple heat-conduction model. Qualitative agreement is reached with suitable choices of material parameters.

Paper Details

Date Published: 1 October 1995
PDF: 8 pages
Opt. Eng. 34(10) doi: 10.1117/12.210771
Published in: Optical Engineering Volume 34, Issue 10
Show Author Affiliations
Cassie M. Lofts, U.S. Army Missile Command (United States)
Paul B. Ruffin, U.S. Army Missile Command (United States)
Mike D. Parker, Morgan Research Corp. (United States)
Chi C. Sung, Univ. of Alabama in Huntsville (United States)

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