Xin Zhao, Yan Dong, Yang Liu, Yansong Song, Shuai Chang. Optical Phase Locked Loop Technology Based on Multistage Compound Loops[J]. Acta Optica Sinica, 2018, 38(5): 0506002
- Acta Optica Sinica
- Vol. 38, Issue 5, 0506002 (2018)
Fig. 1. Doppler frequency shift between different MEO satellites
Fig. 2. Doppler frequency shift between GEO satellite and MEO satellite
Fig. 3. Optical phase locked loop principle based on multi-stage compound loops
Fig. 4. Relationship between phase noise variance and normalized loop bandwidth
Fig. 5. Principle of temperature tuning laser
Fig. 6. Compound structure of internal loop
Fig. 7. Amplitude-frequency characteristic curve of PZT's open loop
Fig. 8. Amplitude-frequency characteristic curve of PZT's closed loop
Fig. 9. Amplitude-frequency characteristic curve of AOFS's open loop
Fig. 10. Amplitude-frequency characteristic curve of AOFS's closed loop
Fig. 11. Principal of experiment system
Fig. 12. Process of frequency acquisition
Fig. 13. Phase residuals after loop locked
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