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Optical Engineering

Study of modulation phase drift in an interferometric fiber optic gyroscope
Author(s): Wei Wang; Junlong Wang
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Paper Abstract

Modulation phase drift is observed in the interferometric fiber optic gyroscope (IFOG) and is attributed to the use of a multifunction integrated optical device. The influence of modulation phase drift on the IFOG's properties is analyzed in theory. The analysis results indicate that the drift causes a nonnegligible dead zone in the IFOG's response. To suppress the drift, three methods are proposed and validated experimentally. It is confirmed that a multifunction integrated optical device without a buffer layer can suppress the modulation phase drift effectively.

Paper Details

Date Published: 1 November 2010
PDF: 5 pages
Opt. Eng. 49(11) 114401 doi: 10.1117/1.3509360
Published in: Optical Engineering Volume 49, Issue 11
Show Author Affiliations
Wei Wang, China Academy of Aerospace Electronics Technology (China)
Junlong Wang, China Academy of Aerospace Electronics Technology (China)


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