Ziwen Pan, Chengfei Zhang, Chengfeng Xie, Yongqiu Zheng, Haotian Li, Jun Tang, Jun Liu. Resonator integrated optic gyro based on multilevel laser frequency lock-in technique[J]. Chinese Optics Letters, 2018, 16(4): 040601
- Chinese Optics Letters
- Vol. 16, Issue 4, 040601 (2018)
Fig. 1. Schematic view of the digital RIOG system based on the multilevel laser frequency lock-in technique.
Fig. 2. Diagram of the proposed multilevel laser frequency lock-in technique.
Fig. 3. RIOG output for variable temperatures.
Fig. 4. Frequency lock-in accuracy of different schemes.
Fig. 5. Digital miniaturized RIOG prototype (a) output at room temperature and (b) Allan deviation of typical 1 h test.
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