Intense terahertz radiation from relativistic laser-plasma interactions

被引：34
|
作者：
Liao, G. Q. [1 ,2 ,3 ,4 ]
Li, Y. T. [1 ,2 ,9 ]
Li, C. [1 ]
Liu, H. [1 ,2 ]
Zhang, Y. H. [1 ,2 ]
Jiang, W. M. [1 ,2 ]
Yuan, X. H. [3 ,4 ,9 ]
Nilsen, J. [5 ]
Ozaki, T. [6 ]
Wang, W. M. [1 ,9 ]
Sheng, Z. M. [3 ,4 ,7 ,9 ]
Neely, D. [8 ]
McKenna, P. [7 ]
Zhang, J. [3 ,4 ,9 ]
机构：
[1] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100190, Peoples R China
[3] Shanghai Jiao Tong Univ, Key Lab Laser Plasmas MoE, Shanghai 200240, Peoples R China
[4] Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai 200240, Peoples R China
[5] Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94551 USA
[6] INRS EMT, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, Canada
[7] Univ Strathclyde, Dept Phys, SUPA, Glasgow G4 0NG, Lanark, Scotland
[8] STFC Rutherford Appleton Lab, Cent Laser Facil, Didcot OX11 0QX, Oxon, England
[9] Shanghai Jiao Tong Univ, Collaborat Innovat Ctr IFSA CICIFSA, Shanghai 200240, Peoples R China
来源：
PLASMA PHYSICS AND CONTROLLED FUSION | 2017年 / 59卷 / 01期
关键词：
intense terahertz radiation; laser-plasma interactions; coherent transition radiation; transient current; mode conversion; TRANSITION RADIATION; GENERATION; ACCELERATION; PULSES;
D O I：
10.1088/0741-3335/59/1/014039
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
The development of tabletop intense terahertz (THz) radiation sources is extremely important for THz science and applications. This paper presents our measurements of intense THz radiation from relativistic laser-plasma interactions under different experimental conditions. Several THz generation mechanisms have been proposed and investigated, including coherent transition radiation (CTR) emitted by fast electrons from the target rear surface, transient current radiation at the front of the target, and mode conversion from electron plasma waves (EPWs) to THz waves. The results indicate that relativistic laser plasma is a promising driver of intense THz radiation sources.
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页数：7
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