ON RECOMBINATION LASERS IN THE VUV EXCITED BY INTENSE PROTON BEAMS.

被引：0
|
作者：
Frey, L. [1 ]
Moeller, U. [1 ]
Langoff, H. [1 ]
机构：
[1] Univ Wuerzburg, Wuerzburg, West Ger, Univ Wuerzburg, Wuerzburg, West Ger
来源：
Applied physics. B, Photophysics and laser chemistry | 1986年 / B41卷 / 03期
关键词：
PHOTONS - ULTRAVIOLET RADIATION;
D O I：
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中图分类号：
学科分类号：
摘要：
The possibility for realizing a recombination laser with hydrogenic helium ions pumped by an intense proton beam is investigated. He**2** plus ions are produced by proton pulses of 50 ns length, 200 keV kinetic energy and a current density of 100 A/cm**2. The fluorescence intensities of the 4 to 3 and the 3 to 2 transitions in He** plus are readily reproduced by a kinetic model for the recombination. Optical gain for the 3 to 2 transition at 164 nm was not observed, since radiation trapping prohibits the depopulation of the lower level.
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页码：147 / 151
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