Cathode testing at the Air Force Research Laboratory

被引：5

作者：

Shiffler, D ^{[1
]}

Lacour, M ^{[1
]}

Golby, K ^{[1
]}

Sena, MD ^{[1
]}

Umstattd, RJ ^{[1
]}

Luginsland, J ^{[1
]}

Hendricks, K ^{[1
]}

Spencer, T ^{[1
]}

Gibbs, A ^{[1
]}

Ruebush, M ^{[1
]}

Zagar, D ^{[1
]}

机构：

[1] USAF, Res Lab, Washington, DC 20330 USA

来源：

INTENSE MICROWAVE PULSES VII | 2000年 / 4031卷

关键词：

D O I：

10.1117/12.391795

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：

An integral part of any vacuum rf device is the cathode. Many rf and microwave tubes utilize thermionic cathodes. However, these cathodes are generally limited to current densities less than 100 A/cm(2), a limitation too great for the majority of High Power Microwave (HPM) tubes. At the Air Force Research Laboratory, Directed Energy Directorate (AFRL/DE), we have to study a variety of explosive emission cathodes. This paper presents results on studies of several types of cathodes tested in a simple circular geometry. We also present results of research on different types of anode material. The data includes measurements of current, voltage, cathode lifetime, and cathode/anode out-gassing.

引用

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页码：144 / 153

页数：2

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