Journal of Atmospheric and Environmental Optics, Volume. 20, Issue 3, 245(2025)
Review of Raman lidar atmospheric water vapor detection technology
Figures & Tables(12)
Fig. 1. Principle diagram of Raman lidar system for water vapor detection
Fig. 3. The dichroic mirror and narrow-band filter constitute a spectroscopic system. (a) Three-channel optical path;(b) five-channel optical path.
Fig. 6. All-fiber rotating Raman lidar light splitting optical path
Fig. 7. the water vapor spectroscopy system based on the SFBG and FBG
Fig. 8. The structure of the FPI combined with the interference filter
Table 1. Main performance of RS41-SG detector
View tableView in ArticleTable 1. Main performance of RS41-SG detector
参数 测量范围 测量精度 温度/℃ -90–60 ±0.2 饱和气压/hPa 1080–300 ±0.3 相对湿度/% 0–100 ±2
Table 2. Parameters of interference filters
View tableView in ArticleTable 2. Parameters of interference filters
参数 IF1 IF2 IF3 IF4a/IF4b IF5a/IF5b 中心波长/nm 354.7 386.7 407.6 353.9 352.5 带宽/nm 1 1 5 0.6 1.1 效率/% 70 80 65 50 50 角度/(o) 0 0 0 5 7 带外抑制率 > 10-4 > 10-4 > 10-4 > 10-4 > 10-4
Table 3. Comparison of Raman lidar light source wavelengths
View tableView in ArticleTable 3. Comparison of Raman lidar light source wavelengths
激光波长/nm 穿透性 散射截面 背景噪声 人眼可见 532 强 低 高 绿光可见 355 中 中 中 不可见 266 低 高 低 不可见
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Xin GONG, Hui Li, Xiu Delong, Ruizhao Zhang, Jiandong Mao, Hu Zhao, Chunyan Zhou, Zhimin Rao. Review of Raman lidar atmospheric water vapor detection technology[J]. Journal of Atmospheric and Environmental Optics, 2025, 20(3): 245
Paper Information
Category: "Advanced technology of lidar and its application in atmospheric environment" Albun
Received: Dec. 24, 2024
Accepted: --
Published Online: Jun. 9, 2025
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