Infrared and Laser Engineering, Volume. 52, Issue 4, 20220484(2023)
Raman-Mie scattering lidar system for detection of aerosol and water vapor in the atmosphere
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Fig. 1. Structural schematic of lidar system for atmospheric aerosol-water vapor
Fig. 5. Extinction coefficient (a), Angstrom index (b) and depolarization ratio (c) in the heavy pollution conditions
Fig. 7. Extinction coefficient (a), Angstrom index (b) and depolarization ratio (c) in the clean weather conditions
Fig. 8. Profile of vertical distribution feature of water vapor mixing ratio and absolute error
Table 1. Main specifications, performance parameters of lidar system for atmospheric aerosol-water vapor
View tableView in ArticleTable 1. Main specifications, performance parameters of lidar system for atmospheric aerosol-water vapor
Parameters Wavelength/nm 532/355 Frequency/Hz 10 Monopulse energy/mJ 88/50 Telescope diameter/mm 400 Field of view/mrad 0.5-2（adjustable） Detection channel 5 (355 nm, 532 nm S, 532 nm P, 386 nm and 407 nm) Filter bandwidth/nm 1 Capture card A/D and photon counting Performance Measuring distance Spatial resolution Time resolution Operation temperature Storage temperature Way of working Power supply Volume 0-12 km（atmosphere of clear sky） 7.5 m 15 min（adjustable depending on the measurement content） 5- −40 ℃(−10- −40 ℃ under the condition of peripheral temperature control) 5-−70 ℃(−30- −70 ℃ under the condition of peripheral temperature control) Manual, automatic and network control 220 V/50 Hz/1500 W 1.8 m×1.2 m×2 m（L×W×H）
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Lu Li, Kunming Xing, Ming Zhao, Qian Deng, Bangxin Wang, Peng Zhuang, Yun Shi. Raman-Mie scattering lidar system for detection of aerosol and water vapor in the atmosphere[J]. Infrared and Laser Engineering, 2023, 52(4): 20220484
Paper Information
Category: Lasers & Laser optics
Received: Jul. 11, 2022
Accepted: --
Published Online: Jul. 4, 2023
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