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Optical Engineering

Reduction of nonreciprocity noise in wound fiber optic interferometers
Author(s): Paul B. Ruffin; Cassie M. Lofts; Chi C. Sung; Jerry L. Page
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Paper Abstract

Nonreciprocity caused by temperature-rate-induced phase bias in fiber optic interferometers is experimentally investigated. A series of temperature ramp rates is applied to several fiber optic test coils to produce time-varying thermal gradients along the axial and radial directions. Data on the induced peak rate are presented for coils wound using the conventional (end-to-end) wind and the quadrupolar (center-to-end) wind. The quadrupolar-wound coil exhibits substantially lower sensitivity to temperature transients. It is found that the conventional wind can be considered for low-perlormance, low-cost systems operating in moderately adverse environments.

Paper Details

Date Published: 1 August 1994
PDF: 5 pages
Opt. Eng. 33(8) doi: 10.1117/12.173562
Published in: Optical Engineering Volume 33, Issue 8
Show Author Affiliations
Paul B. Ruffin, U.S. Army Missile Command (United States)
Cassie M. Lofts, U.S. Army Missile Command (United States)
Chi C. Sung, Univ. of Alabama in Huntsville (United States)
Jerry L. Page, Smith Industries (United States)


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