具有相对论性空心薄壁电子束的慢波装置产生的毫瓦级0.34太赫兹波辐射

IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2015-04-27 DOI:10.1109/IVEC.2015.7223830

Guang-qiang Wang, Jianguo Wang, Shuang Li, Peng Zeng

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引用次数: 0

摘要

设计了一种矩形波纹型相对论慢波振荡器，用于产生毫瓦级0.34太赫兹波辐射。利用大过模比有效降低了制造难度，而采用相对论空心薄壁电子束抑制了模竞争。仿真结果表明，当束流电压为382kV，束流电流为3.18kA，约束磁场为5.2T时，在0.34太赫兹频率下，输出功率可达131MW，转换效率约为10.8%。

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MW-level 0.34 THz wave radiation from slow-wave device with relativistic hollow thin-wall electron beam

A rectangularly corrugated relativistic slow-wave oscillator is designed to generate the MW-level 0.34 THz wave radiation. By using large overmoded ratio the manufacturing difficulty is efficiently decreased, while relativistic hollow thin-wall electron beam is adopted to suppress the mode competition. Simulations based on a 2.5-D particle-in-cell (PIC) code UNIPIC predict an output power up to 131MW at the frequency of 0.34 THz with conversion efficiency almost 10.8% when beam voltage is about 382kV, current 3.18kA, and the confined magnetic field 5.2T.

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IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference

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