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

页码：303 / 310

页数：8

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