Coherent terahertz Smith-Purcell radiation from beam bunching

被引：7
作者：
Shi, Zongjun [1 ]
Yang, Ziqiang
Liang, Zheng
Lan, Feng
Liu, Wenxin
Gao, Xi
Li, D.
机构：
[1] Univ Elect Sci & Technol China, Inst High Energy Elect, Chengdu 610054, Peoples R China
[2] Osaka Univ, Inst Laser Technol, Suita, Osaka 5650871, Japan
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2007年 / 578卷 / 03期
关键词：
coherent THz radiation; beam bunching; SP radiation; grating;
D O I：
10.1016/j.nima.2007.05.315
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
This paper presents a possible method to produce beam bunching and obtain coherent Terahertz (THz) Smith-Purcell (SP) radiation. A model of two-section rectangular grating is proposed. In the first section with a flat conducting roof, a continuous beam is bunched by using an 88.5 GHz input signal. In the second section without metal roof, the coherent THz SP radiation is stimulated by the bunched beam interacting with the grating. The particle-in-cell (PIC) simulations show that the beam is bunched at the downstream of the first section. The strongest radiation is observed at 120 degrees with the frequency of 266.5GHz in the second section. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：543 / 547
页数：5
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