Study of modulation phase drift in an interferometric fiber optic gyroscope

Wei Wang; Junlong Wang

doi:10.1117/1.3509360

1 November 2010 Study of modulation phase drift in an interferometric fiber optic gyroscope

Wei Wang, Junlong Wang

Author Affiliations +

Optical Engineering, Vol. 49, Issue 11, 114401 (November 2010). https://doi.org/10.1117/1.3509360

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.

©(2010) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Wei Wang and Junlong Wang "Study of modulation phase drift in an interferometric fiber optic gyroscope," Optical Engineering 49(11), 114401 (1 November 2010). https://doi.org/10.1117/1.3509360

Published: 1 November 2010

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