Simulation of 0.14 THz relativistic backward-wave oscillator filled with plasma

被引：2
|
作者：
Wang Yu [1 ,2 ]
Chen Zai-Gao [2 ]
Lei Yi-An [1 ]
机构：
[1] Peking Univ, Sch Phys, Beijing 100871, Peoples R China
[2] Northwest Inst Nucl Technol, Xian 710024, Peoples R China
来源：
ACTA PHYSICA SINICA | 2013年 / 62卷 / 12期
关键词：
terahertz; relativistic backward-wave oscillator; particle simulation; plasma;
D O I：
10.7498/aps.62.125204
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this paper, a 0.14 THz relativistic backward-wave oscillator (RBWO) filled with neutral argon gas is simulated by using the UNIPIC code. The effects of plasma on the output power, frequency, and the start-oscillation time of the RBWO filled with different-pressure gases are studied. The simulation result shows that the background plasma can cause the pulse-shortening and new frequency appearing in the 0.14 THz RBWO. Appropriate plasma infusion can reduce the start-oscillation time and increase the output power of 0.14 THz RBWO.
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页数：7
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