1 November 1994 Effects of imperfect serrodyne phase modulation in resonator fiber optic gyroscopes
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Abstract
In order for the resonator fiber optic gyroscope to achieve navigation grade performance, it must employ an optical frequency shifting technique for high scale factor accuracy. Serrodyne phase modulation commonly used in interferometric fiber optic gyros, has been considered a leading choice of modulation techniques. Here we present theoretical analysis on the effects of imperfect serrodyne phase modulation along with experimental results. A solution for substantially reducing the rotation sensing errors associated with imperfect serrodyne is also presented.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Lee K. Strandjord, Glen A. Sanders, "Effects of imperfect serrodyne phase modulation in resonator fiber optic gyroscopes", Proc. SPIE 2292, Fiber Optic and Laser Sensors XII, (1 November 1994); doi: 10.1117/12.191841; https://doi.org/10.1117/12.191841
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KEYWORDS
Resonators

Sensors

Modulation

Erbium

Phase modulation

Fiber optic gyroscopes

Photodetectors

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