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表面波振荡0.22 THz大功率太赫兹源设计

Design of 0.22 THz high power source with structure of surface-wave oscillator

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摘要

为研制大功率紧凑型太赫兹源,开展了0.22 THz大功率太赫兹源的理论设计研究。THz源采用表面波振荡器结构。重点研究了慢波结构对太赫兹源产生信号的影响,并对慢波结构进行了优化。结合二极管参数的选取,对该源结构进行了粒子模拟,结果表明:在馈入电压200 kV,电流2900 A的条件下,输出信号频率为0.22 THz,输出功率为19.5 MW,效率约为3.3%。

Abstract

In order to develop the compact high-power terahertz (THz) source, a 0.22 THz source is designed theoretically by adopting the structure of surface-wave oscillator (SWO). We focus on the influence of the slow-wave structure (SWS) on resonant frequency and optimization of the SWS. Combined with the choose of diode, the particle-in-cell (PIC) simulation is performed for the source. The results show that the optimum structure can work stably and generate a terahertz signal in the condition of a input voltage of 200 kV, a current of 2900 A, and a guiding magnetic field of 5 T. The resonant frequency of the output signal is about 0.22 THz, and the output power reaches 19.5 MW with its efficiency of about 3.3%.

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中图分类号:TN102

DOI:10.3788/hplpb20132506.1489

所属栏目:太赫兹产生与放大技术

收稿日期:2012-10-08

修改稿日期:2012-12-07

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作者单位    点击查看

李爽:西北核技术研究所, 西安 710024
王建国:西北核技术研究所, 西安 710024西安交通大学 电子信息工程学院, 西安 710049
童长江:西北核技术研究所, 西安 710024
王光强:西北核技术研究所, 西安 710024
陆希成:西北核技术研究所, 西安 710024
王雪锋:西北核技术研究所, 西安 710024

联系人作者:李爽(lishuangkkk@163.com)

备注:李爽(1985—),男,研究实习员,目前主要从事大功率太赫兹源技术研究

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引用该论文

Li Shuang,Wang Jianguo,Tong Changjiang,Wang Guangqiang,Lu Xicheng,Wang Xuefeng. Design of 0.22 THz high power source with structure of surface-wave oscillator[J]. High Power Laser and Particle Beams, 2013, 25(6): 1489-1492

李爽,王建国,童长江,王光强,陆希成,王雪锋. 表面波振荡0.22 THz大功率太赫兹源设计[J]. 强激光与粒子束, 2013, 25(6): 1489-1492

被引情况

【1】邓光晟,杨军,阮久福. 双光栅绕射辐射器件谐振系统Q值分析与结构优化. 强激光与粒子束, 2014, 26(8): 83101--1

【2】杨路路,杨军,邓光晟,董必良,阮久福,席洪柱. THz振荡器双光栅开放腔的高频特性. 强激光与粒子束, 2014, 26(2): 23101--1

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