COMPACT HE-11 TO SURFACE-WAVE CONVERTERS FOR HIGH-POWER WAVE-GUIDE DUMMY LOADS

被引：14
|
作者：
DOANE, JL
机构：
[1] General Atomics, San Diego, California, 92186-9784
来源：
INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES | 1993年 / 14卷 / 02期
关键词：
D O I：
10.1007/BF02282079
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 HE11 mode in corrugated circular waveguide can be converted to the EH11 mode (surface wave) by a short, smooth-waveguide phase shift section followed by a short corrugation depth taper. Low-power measurements at 110 GHz in 1.25 in. aluminum waveguide demonstrated approximately 99% conversion with the proper phase shift length. As expected, the conversion efficiency versus length of the phase shifter varied periodically with the period of the TE11 to TM11 beat wavelength. Since the EH11 surface wave is highly attenuated, this type of converter can be used effectively in a compact high-power dummy load.
引用
收藏
页码：363 / 382
页数：20
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