Electron-beam-excited high-pressure He-Ar mixture as a potential active medium for an optically pumped laser

被引：2
|
作者：
Zayarnyi, D. A. [1 ]
Drakin, A. E. [1 ]
Ionin, A. A. [1 ]
L'dov, A. Yu. [1 ]
Sinitsyn, D. V. [1 ]
Ustinovskii, N. N. [1 ]
Kholin, I. V. [1 ]
机构：
[1] Russian Acad Sci, PN Lebedev Phys Inst, Leninsky Prosp 53, Moscow 119991, Russia
来源：
QUANTUM ELECTRONICS | 2018年 / 48卷 / 12期
基金：
俄罗斯基础研究基金会;
关键词：
electron-beam laser; laser on atomic transitions of inert gases; diode pumping;
D O I：
10.1070/QEL16811
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The possibility of developing a laser with optical pumping of metastable ArI levels produced by a relativistic electron beam in high-pressure He-Ar gas mixtures is investigated. It is shown that a high population of the 1s(5) level of the argon atom, a wide (similar to 10 nm) absorption spectral line, and a great lifetime allow us to obtain, as a result of electron beam impact, optimal lasing conditions within the framework of the classical three-level laser scheme. The rate constants of two- and three-particle collisional relaxation processes of low-lying 4s levels of an excited argon atom in He-Ar mixtures in the pressure range from 4 to 0.75 atm are measured.
引用
收藏
页码：1174 / 1178
页数：5
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