Infrared and Laser Engineering, Volume. 49, Issue 6, 20190399(2020)
Comparison on detection performance of FMCW and pulsed lidar in aerosol environment
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Fig. 3. FMCW IF spectrum with various initial modulation frequencies and pulse echo
Table 1. Simulation parameters of laser detection
View tableView in ArticleTable 1. Simulation parameters of laser detection
Parameter Value Parameter Value FMCW system parameters Laser wavelength/nm 660 Emission-receiving distance/mm 10 Laser divergence angle/mrad 5 FM cycle/μs 50 Receiver lens diameter/mm 10 Initial modulation frequency/MHz 10-400 Detector photosensitive surface/μm 250 Bandwidth/MHz 100 Pulse system parameters Laser wavelength/nm 532 Emission-receiving distance/mm 10 Laser divergence angle/mrad 5 Receiver lens diameter/mm 10 Detector photosensitive surface/μm 250 Pulse width/ns 10 Aerosol and target parameters Complex refractive index 1.53−0.008 Particle size parameter/μm 0.3−3 Visibility/m 40 Target distance/m 6−10 Target reflectivity 0.5
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Chen Peng, Zhao Jiguang, Song Yishuo, Wang Shen. Comparison on detection performance of FMCW and pulsed lidar in aerosol environment[J]. Infrared and Laser Engineering, 2020, 49(6): 20190399
Paper Information
Category: Laser & laser optics
Received: Feb. 8, 2020
Accepted: Mar. 10, 2020
Published Online: Sep. 21, 2020
The Author Email: Peng Chen (chenpeng_7777@163.com)
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