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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