Design of a Sheet-Beam Electron Gun for a Ka-Band Microfabricated Traveling-Wave Tube

被引：0
|
作者：
Wang, Shaomeng [1 ]
Zhao, Chen [1 ]
Aditya, Sheel [1 ]
机构：
[1] Nanyang Technol Univ, Satellite Res Ctr, 50 Nanyang Ave, Singapore 639798, Singapore
来源：
2015 IEEE INTERNATIONAL VACUUM ELECTRONICS CONFERENCE (IVEC) | 2015年
关键词：
electron gun; micro-fabrication; sheet electron beam; travelling-wave tube;
D O I：
暂无
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：
A novel design of a sheet beam electron gun, suitable for a Ka-band microfabricated traveling-wave tube (TWT), is described in this paper. Simulations take into account emission from a CNT field-emitter array (FEA) and the formation of the sheet beam. The rectangular FEA cathode of 2250x300 mu m(2) area produces a 10 mA sheet electron beam which is compressed into a 350x150 mu m(2) area. The configuration of the focusing electrodes and the anode is suitable for micro fabrication. For an anode voltage of 3.7 KV, the presented simulation results show a uniform beam at the anode output.
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页数：2
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