Abstract

In this paper, the development and evaluation of passive optical ring resonator gyroscopes (OPRGs) are critical reviewed. Attention has been paid to the countermeasures against the parasitic noise sources which are encountered in the OPRG including backscattering, backreflection, polarization error, nonlinear Kerr effect, and laser frequency noise. The new progress in a feasible OPRG is shown. In addition, the advanced and complex digital signal processing in the OPRGs is also addressed.

© 2016 IEEE

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