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

页码：2600 / 2602

页数：3

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