Remote sensing of H2O at 0.94 μm

被引：0

作者：

Barnes, NP ^{[1
]}

Walsh, BM ^{[1
]}

机构：

[1] NASA, Langley Res Ctr, Hampton, VA 23681 USA

来源：

OPTICAL REMOTE SENSING FOR INDUSTRY AND ENVIRONMENTAL MONITORING | 1998年 / 3504卷

关键词：

H2O remote sensing; 0.946 mu m Nd : YAG; compositional tuning;

D O I：

10.1117/12.319567

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A H2O vapor remote sensing instrument which could operate in the 0.94 mu m region would have several highly desirable characteristics. Among the characteristics are access to absorption lines with approximately the correct strength and the availability of good detection systems. A good candidate for the laser for such a system is a Nd:garnet laser operating on one of the (4)F(3/)2 to I-4(9/2) transitions. TO make such a system a reality, NASA Langley has investigated compositional tuning to develop a laser at precisely the correct wavelength and methods of improving the efficiency. Both efforts have achieved success. A flashlamp pumped Nd:YAG laser operating at room temperature on the 0.946 mu m transition has achieved a threshold of 12 J and a slope efficiency of 0.009.

引用

页码：283 / 287

页数：5

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