• Infrared and Laser Engineering
  • Vol. 52, Issue 4, 20220484 (2023)
Lu Li1、2, Kunming Xing2、*, Ming Zhao2, Qian Deng2, Bangxin Wang2、3, Peng Zhuang2, and Yun Shi1
Author Affiliations
  • 1Faculty of Mechanical and Automotive Engineering, West Anhui University, Lu′ an 237012, China
  • 2Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China
  • 3University of Science and Technology of China, Hefei 230026, China
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    DOI: 10.3788/IRLA20220484 Cite this Article
    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 Copy Citation Text show less
    Structural schematic of lidar system for atmospheric aerosol-water vapor
    Fig. 1. Structural schematic of lidar system for atmospheric aerosol-water vapor
    Beam splitter mounting structure
    Fig. 2. Beam splitter mounting structure
    Subsequent detection unit
    Fig. 3. Subsequent detection unit
    Mixed-layer height in the heavy pollution conditions
    Fig. 4. Mixed-layer height in the heavy pollution conditions
    Extinction coefficient (a), Angstrom index (b) and depolarization ratio (c) in the heavy pollution conditions
    Fig. 5. Extinction coefficient (a), Angstrom index (b) and depolarization ratio (c) in the heavy pollution conditions
    Mixed-layer height in the clean weather conditions
    Fig. 6. Mixed-layer height in the clean weather conditions
    Extinction coefficient (a), Angstrom index (b) and depolarization ratio (c) in the clean weather conditions
    Fig. 7. Extinction coefficient (a), Angstrom index (b) and depolarization ratio (c) in the clean weather conditions
    Profile of vertical distribution feature of water vapor mixing ratio and absolute error
    Fig. 8. Profile of vertical distribution feature of water vapor mixing ratio and absolute error
    Spatiotemporal distribution of water vapor mixing ratio
    Fig. 9. Spatiotemporal distribution of water vapor mixing ratio
    Parameters
    Wavelength/nm532/355
    Frequency/Hz10
    Monopulse energy/mJ88/50
    Telescope diameter/mm400
    Field of view/mrad0.5-2(adjustable)
    Detection channel5 (355 nm, 532 nm S, 532 nm P, 386 nm and 407 nm)
    Filter bandwidth/nm1
    Capture cardA/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
    Table 1. Main specifications, performance parameters of lidar system for atmospheric aerosol-water vapor
    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
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