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Optical Engineering • Open Access

Differential all-birefringent-fiber frequency-modulated continuous-wave Sagnac gyroscope
Author(s): Jesse Zheng

Paper Abstract

A differential all-birefringent-fiber frequency-modulated continuous-wave Sagnac gyroscope is described. The gyroscope employs a birefringent fiber coil to construct a double unbalanced fiber optic Sagnac interferometer and uses the phase difference between the two beat signals from the fiber coil to measure the rotation velocity. The advantages of this gyroscope include doubled rotation sensitivity and less nonreciprocal phase drift.

Paper Details

Date Published: 1 May 2006
PDF: 2 pages
Opt. Eng. 45(5) 050501 doi: 10.1117/1.2195465
Published in: Optical Engineering Volume 45, Issue 5
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