Quasi-Optical Orthomode Splitters for Input-Output of a Powerful W-Band Gyro-TWT

被引：6

作者：

Samsonov, S., V ^{[1
]}

Belousov, V., I ^{[1
]}

Bogdashov, A. A. ^{[1
]}

Denisov, G. G. ^{[1
,2
]}

Mishakin, S., V ^{[1
]}

Sobolev, D., I ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod 603950, Russia

[2] Nizhnii Novgorod State Univ, Nizhnii Novgorod 603950, Russia

来源：

IEEE TRANSACTIONS ON ELECTRON DEVICES | 2018年 / 65卷 / 10期

基金：

俄罗斯科学基金会;

关键词：

Coupling microwave systems; gyrotron traveling-wave tube (gyro-TWT); high-power Gaussian beams; high-power microwave systems; quasi-optical millimeter-wave components; quasi-optical transmission systems; wavebeam splitters; MICROWAVE SYSTEM; WAVE-GUIDE; MILLIMETER; SURFACE;

D O I：

10.1109/TED.2018.2866030

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：

Three different designs of an external microwave system for feeding and extracting power to and from a gyrotrontraveling-wavetube (gyro-TWT)through one oversized port are presented and discussed. As it shown, such a microwave system should operate as a splitter which splits two wavebeams with mutually orthogonal polarizations incoming through one port into two spatially separated ports or transmission lines transporting each wavebeam individually. The orthomode splitters presented in this paper were designed to be used with a gyro-TWT producing 350- and 50-kW maximum pulsed and average powers, respectively, with a 3-dB bandwidth of 10 GHz at the center frequency of 95 GHz. Such a high-power level and wide bandwidth at short millimeter waves make quasioptical components to be the most appropriate solutions in contrast to low-mode standard waveguide circuits.

引用

页码：4600 / 4606

页数：7

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