Ultraviolet high-spectral-resolution lidar with Fabry-Perot filter for accurate measurement of extinction and lidar ratio

被引：13
|
作者：
Imaki, M [1 ]
Takegoshi, Y [1 ]
Kobayashi, T [1 ]
机构：
[1] Univ Fukui, Grad Sch Engn, Fukui 9108507, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2005年 / 44卷 / 5A期
关键词：
high-spectral-resolution lidar; Fabry-Perot filter; ultraviolet wavelength; aerosol extinction coefficient; lidar ratio; eye safety;
D O I：
10.1143/JJAP.44.3063
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
An ultraviolet high-spectral-resolution lidar has been developed for measuring the optical parameters of aerosol and cloud such as extinction coefficient, volume backscatter coefficient, lidar ratio and laser beam transmittance. In this system, the Mie backscatter signal is transmitted by the Fabry-Perot filter in contrast to the atomic or molecular absorption filter in a conventional high-spectral-resolution lidar. Using an ultraviolet laser wavelength of 355 urn, a high-accuracy measurement of aerosol optical parameters has been realized for an atmosphere with a low aerosol concentration. This method does not require an assumption about the relationship between the extinction and backscatter coefficients of aerosol and cloud.
引用
收藏
页码：3063 / 3067
页数：5
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