Profiling atmospheric water vapor using a fiber laser lidar system

被引：146
|
作者：
De Young, Russell J. [1 ]
Barnes, Norman P. [2 ]
机构：
[1] NASA, Langley Res Ctr, Sciece Directorate, Hampton, VA 23681 USA
[2] NASA, Langley Res Ctr, Syst Engn Directorate, Hampton, VA 23681 USA
来源：
APPLIED OPTICS | 2010年 / 49卷 / 04期
关键词：
D O I：
10.1364/AO.49.000562
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A compact, lightweight, and efficient fiber laser lidar system has been developed to measure water vapor profiles in the lower atmosphere of Earth or Mars. The line narrowed laser consist of a Tm:germanate fiber pumped by two 792 nm diode arrays. The fiber laser transmits similar to 0:5 mJ Q-switched pulses at 5 Hz and can be tuned to water vapor lines near 1: 94 mu m with linewidth of similar to 20 pm. A lightweight lidar receiver telescope was constructed of carbon epoxy fiber with a 30 cm Fresnel lens and an advanced HgCdTe APD detector. This system has made preliminary atmospheric measurements. (C) 2010 Optical Society of America
引用
收藏
页码：562 / 567
页数：6
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