Polarizer with nonrectangular grooves in the HE11 mode transmission line

被引:28
作者
Nagasaki, K [1 ]
Itoh, Y
Morioka, H
Obiki, T
机构
[1] Kyoto Univ, Inst Adv Energy, Uji, Kyoto 6110011, Japan
[2] Toshiba Corp, Power & Ind Syst Res & Dev Ctr, Kawasaki, Kanagawa 2100862, Japan
[3] Kyoto Univ, Grad Sch Energy Sci, Uji, Kyoto 6110011, Japan
来源
INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES | 1999年 / 20卷 / 05期
关键词
polarizer; nonrectangular groove; HE11; mode; electron cyclotron heating;
D O I
10.1023/A:1021766016121
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 experimental results on polarizers with nonrectangular grooves to be used in high power millimeter wave transmission lines for electron cyclotron heating (ECH) of fusion plasmas. A low-power test at a frequency of 106.4 GHz has been carried out for several polarizers with different groove depths. The polarization characteristics experimentally measured are in good agreement with numerical results in which the actual groove shape functions are taken into account. This confirms the design optimization for future polarizer. Favorable results have also been obtained in a 400 kW-level high-power test for the polarizer installed in an ECH transmission line of the Heliotron-E plasma device.
引用
收藏
页码:823 / 843
页数:21
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