Jiajun GOU, Yonghang SHEN. Nonlinear Frequency Correction Technology of DFB laser with High Frequency Modulation for FMCW LiDAR[J]. Acta Photonica Sinica, 2023, 52(2): 0214003
- Acta Photonica Sinica
- Vol. 52, Issue 2, 0214003 (2023)
Fig. 1. Schematic diagram of FMCW Ladar
Fig. 2. The influence of nonlinearity on detection precision
Fig. 3. Thermodynamic model of temperature tuning for DFB lasers
Fig. 4. Flow chart of nonlinear iterative correction algorithm for optical frequency
Fig. 5. The result of simulation calculation
Fig. 6. The structure of FMCW detection system
Fig. 7. Results of nonlinear correction experiment
Fig. 8. Resolution experimental results
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Table 1. Laser parameter hypothesis
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