Excimer-laser-based lidar for tropospheric ozone monitoring

被引：12

作者：

Veselovskii, I ^{[1
]}

Barchunov, B ^{[1
]}

机构：

[1] Inst Gen Phys, Phys Instrumentat Ctr, Troitsk 142092, Russia

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 1999年 / 68卷 / 06期

关键词：

D O I：

10.1007/s003400050756

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The description of ozone differential absorption lidar (DIAL) based on KrF and XeCl excimer lasers for day and night-time measurements in the troposphere is presented. The XeCl laser is used as the "off" wavelength emitter and the radiation of KrF laser is Raman-shifted in a hydrogen and deuterium cell to obtain 277 nm and 292 nm "on" wavelengths. For the measurements in the range 0.5-4.5 km the pair 277/308 nm is used and for 4-10 km range the pair 292/308 nm is applied. Simultaneously with the elastic backscattering, the Raman backscatter of the XeCl laser from nitrogen and water vapor are monitored. The nitrogen Raman signal is used for the calculation of aerosol backscattering and extinction coefficients and these are compared with the results derived from XeCl elastic backscatter by the Klett method. The aerosol profiles obtained are used for correction of ozone concentration. Some examples of lidar application for the investigation of diurnal and seasonal ozone variation are given.

引用

页码：1131 / 1137

页数：7

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