Acta Photonica Sinica, Volume. 52, Issue 2, 0214003(2023)
Nonlinear Frequency Correction Technology of DFB laser with High Frequency Modulation for FMCW LiDAR
Figures & Tables(9)
Fig. 4. Flow chart of nonlinear iterative correction algorithm for optical frequency
Table 1. Laser parameter hypothesis
View tableView in ArticleTable 1. Laser parameter hypothesis
Parameters Parameters values Parameters Parameters values Threshold of current Ith 20 mA Slope of efficiency k 0.6 W/K Equivalent resistance R 1 Ω Thermal conductivity of the shell K 2.177 W/cm·K Specific heat capacity of the chip C1 0.3 J/gp·K Density of chip ρ1 5.5 g/cm3 Volume of chip V1 9×10-11 cm3 Specific heat capacity of the thermal conductivity layer C2 0.385 J/g·K The volume of thermal conductivity layer V2 0.09×10-8 cm3 The density of thermal conductivity ρ2 8.96 g/cm3 Area of chip cooling D 6×10-5 cm2 The thickness of the cooling housing d 0.03 cm
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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
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Received: Oct. 14, 2022
Accepted: Nov. 8, 2022
Published Online: Mar. 28, 2023
The Author Email: Yonghang SHEN (physyh@zju.edu.cn)
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