Degenerate Band Edge Electron Beam Oscillators: Low Starting Current

被引:0
|
作者
Othman, Mohamed A. K. [1 ]
Veysi, Mehdi [1 ]
Figotin, Alex [2 ]
Capolino, Filippo [1 ]
机构
[1] Univ Calif Irvine, Dept Elect Engn & Comp Sci, Irvine, CA 92697 USA
[2] Univ Calif Irvine, Dept Math, Irvine, CA 92697 USA
来源
2016 IEEE INTERNATIONAL VACUUM ELECTRONICS CONFERENCE (IVEC) | 2016年
关键词
Cavity resonators; Electromagnetic band gap; Electron beam devices; High power microwaves; Slow-wave structures;
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
We demonstrate a new scheme for microwave vacuum electron-beam-based oscillators based on an electron beam interacting with four degenerate electromagnetic modes in a slow wave structure (SWS), a condition we call super synchronous operation. The four mode super synchronous regime is obtained by the degenerate band edge (DBE) condition in the dispersion diagram of a cold periodic SWS. This regime features a substantially lower starting-oscillation beam current, by orders of magnitude, compared to conventional backward wave oscillators.
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页数:2
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