Gas Breakdown by a Focused Beam of CW THz Radiation

被引：0
|
作者：
Sidorov, Alexander V. [1 ]
Razin, Sergey V. [1 ]
Tsvetkov, Alexander I. [1 ]
Fokin, Andrey P. [1 ]
Veselov, Alexey P. [1 ]
Golubev, Sergey V. [1 ]
Vodopyanov, Alexander V. [1 ]
Glyavin, Mikhail Yu [1 ]
机构：
[1] Russian Acad Sci, Inst Appl Phys, Fed Res Ctr, Nizhnii Novgorod, Russia
来源：
2017 PROGRESS IN ELECTROMAGNETICS RESEARCH SYMPOSIUM - SPRING (PIERS) | 2017年
基金：
俄罗斯科学基金会;
关键词：
D O I：
暂无
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：
This paper presents the results of experimental and theoretical investigations of gas breakdown thresholds in a focused beam of CW THz radiation. During the experiments the source of radiation was CW 1kW @ 0.263 THz gyrotron. The beam was focused by means of quasi-optical mirrors into the spot with diameter less than 3mm that provided intensity into the focal spot up to 15 kW/cm(2). The working gas was argon. Achieved electrical field intensity was enough to carry out the gas breakdown into the range of pressure values of 10-300 Torr. The boundary values of field intensity for discharge existence were measured. The results of experiments are in good agreement with theoretical calculations that were made based on a simple breakdown theory of monatomic non-light gases in fields of any frequency.
引用
收藏
页码：2600 / 2602
页数：3
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