Guanhao Wu, Siyu Zhou, Yuetang Yang, Kai Ni. Dual-Comb Ranging and Its Applications[J]. Chinese Journal of Lasers, 2021, 48(15): 1504002
- Chinese Journal of Lasers
- Vol. 48, Issue 15, 1504002 (2021)
Fig. 1. Development venation of dual-comb ranging
Fig. 2. Time and frequency domain characteristics of dual-comb system. (a) Principle of linear optical sampling in time domain; (b) principle of multimode heterodyne interference in frequency domain
Fig. 3. Schematic of dual-comb ranging system
Fig. 4. Schematic of dual-comb ranging system with orthogonal polarization structure[56]
Fig. 5. Optimization of repetition rate difference[54]. (a) Optimal range analysis of repetition rate difference; (b) impact of spectrum aliasing on ranging precision
Fig. 6. Optimization of repetition rate and spectral bandwidth[54]. (a) Impact of repetition rate on ranging precision; (b) impact of spectral bandwidth on ranging precision
Fig. 7. Synchronous locking of dual-comb system[73]. (a) System structure; (b) timing jitter before and after noise suppression
Fig. 8. Digital post-correction method of dual-comb noise[75]. (a) System schematic diagram; (b) Allan deviation of carrier phase jitter and timing jitter
Fig. 9. Principle of dual-comb combined ranging method
Fig. 10. Dual-comb combined ranging method locked to CW reference lasers[49]. (a) System schematic diagram; (b) Allan deviation (precision) versus averaging time
Fig. 11. Synthetic-wavelength-based dual-comb ranging method[58]. (a) System schematic diagram; (b) Allan deviation (precision) of three ranging methods versus averaging time
Fig. 12. Principle of multi-pulse linear optical sampling[81]
Fig. 13. Multi-degree-of-freedom measurement method based on multi-target dual-comb ranging[59]
Fig. 14. Dual-comb spectroscopy resolved three-degree-of-freedom sensing[85]. (a) System schematic diagram; (b) schematic of grating-corner-cube sensor
Fig. 15. Instrument of dual-comb ranging. (a) Key components of the instrument; (b)comparison results of ranging
Fig. 16. Schematic of dual-comb line-scan 3D imaging[38]
Fig. 17. Stability measurement of space camera overall structure
Fig. 18. Satellite antenna measurement
Fig. 19. Schematic of micro-comb dual-comb ranging[60]
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