Axial-radiation plasma antenna

被引：8

作者：

Kirichenko, Yu. V. ^{[1
]}

Lonin, Yu. F. ^{[1
]}

Onishchenko, I. N. ^{[1
]}

机构：

[1] Kharkov Inst Phys & Technol, Inst Plasma Elect & New Methods Accelerat, Natl Sci Ctr, UA-61108 Kharkov, Ukraine

来源：

JOURNAL OF COMMUNICATIONS TECHNOLOGY AND ELECTRONICS | 2014年 / 59卷 / 03期

关键词：

ELECTROMAGNETIC-WAVES;

D O I：

10.1134/S1064226914030073

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 applying a cylindrical isotropic collisionless plasma column with a thin dielectric shell as an antenna of strictly axial radiation is investigated. It is assumed that the phase velocity of radiated waves approaches the velocity of light and the radiated wavelength substantially exceeds the radius of the antenna. Radiation patterns of azimuthally symmetric and azimuthally nonsymmetric current waves are calculated. It is shown that, in contrast to the symmetric wave used in traditional traveling-wave antennas, the first harmonic of a nonsymmetric current wave in plasma is a source of radiation reaching its maximum at the zero angle to the antenna's axis.

引用

页码：269 / 274

页数：6

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