Abstract

We propose a transmissive single-beam-splitter resonator optic gyro based on a hollow-core photonic-crystal fiber (HCPCF), which is a new regime of resonator fiber optical gyro based on an HCPCF, a hollow-core resonator fiber optical gyro (HC-RFOG), for the first time, to the best of our knowledge. We evaluate the transfer function of this novel transmissive single-beam-splitter resonator, and the resonance characteristics are simulated to optimize the element parameters. We utilize a micro-optical coupler formed by pairs of lenses and one filter to realize this novel resonator. Our approach yields a fineness of 12 and a transmittance of about 5%. Based on this novel resonator, we construct a HC-RFOG, and we simulate and analyze the effects of polarization noise on the gyro system. In addition, an effective method to suppress polarization noise is employed, and the efficacy of this method is confirmed by experiments. A bias stability of 1.3°/h is successfully demonstrated, which is the best result reported to date, to the best of our knowledge, for RFOGs based on an HCPCF resonator.

© 2017 Optical Society of America

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