Direct-detection Doppler lidar for two-dimensional wind field measurements of the troposphere

被引：2
|
作者：
Imaki, M [1 ]
Sun, DS [1 ]
Kobayashi, T [1 ]
机构：
[1] Fukui Univ, Grad Sch Engn, Fukui 9108507, Japan
来源：
LIDAR REMOTE SENSING FOR INDUSTRY AND ENVIRONMENT MONITORING III | 2003年 / 4893卷
关键词：
Doppler lidar; wind velocity; direct-detection; eye-safe; beam scanning; aerosol extinction profile;
D O I：
10.1117/12.466079
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
We have developed a direct-detection scanning Doppler lidar system for wind field measurements in the troposphere. The lidar employs an injection seeded tripled Nd:YAG laser at eye-safe ultraviolet 355nm wavelength, a 25cm aperture telescope and a laser beam scanner. Two high-spectral resolution etalons are used to detect Doppler shift of the aerosol Mie backscattering and the molecular Rayleigh backscattering. Wind measurement accuracy of 0.33m/s was obtained at 3km range with 40mJ laser energy and 5s integration time.
引用
收藏
页码：303 / 310
页数：8
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