Terahertz emission in tenuous gases irradiated by ultrashort laser pulses

Terahertz emission in tenuous gases irradiated by ultrashort laser pulses

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摘要 Mechanism of terahertz (THz) pulse generation in gases irradiated by ultrashort laser pulses is investigated theoretically. Quasi-static transverse currents produced by laser field ionization of gases and the longitudinal modulation in formed plasmas are responsible for the THz emission at the electron plasma frequency, as demonstrated by particle-in-cell simulations including field ionization. The THz field amplitude scaling with the laser amplitude within a large range is also discussed. Mechanism of terahertz (THz) pulse generation in gases irradiated by ultrashort laser pulses is investigated theoretically. Quasi-static transverse currents produced by laser field ionization of gases and the longitudinal modulation in formed plasmas are responsible for the THz emission at the electron plasma frequency, as demonstrated by particle-in-cell simulations including field ionization. The THz field amplitude scaling with the laser amplitude within a large range is also discussed.

作者王伟民盛政明武慧春陈民李春张杰 K. Mima

机构地区 Beijing National Laboratory of Condensed Matter Physics Department of Physics Max-Planck-Institut fr Quantenoptik Institut fr Theoretische Physik I Institute of Laser Engineering

出处《Chinese Physics C》 SCIE CAS CSCD 2009年第S2期142-145,共4页 中国物理C（英文版）

基金 Supported by National Natural Science Foundation of China (10425416, 10674175, 60621063) National High-Tech ICF Com-mittee in China and National Basic Research Program of China (2007CB310406)

关键词 Terahertz emission ionization of gases plasma formation particle-in-cell simulations Terahertz emission, ionization of gases, plasma formation, particle-in-cell simulations

分类号 TL503.3 [核科学技术—核技术及应用]

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参考文献10

1XIE X,DAI J,ZHANG X C. Physical Review Letters . 2006
2WU H C,Meyer-ter-Vehn J,SHENG Z M. New J. Phys . 2008
3Hamster H,Sullivan A,Gordon S et al. Physical Review Letters . 1993
4LIU Y,Houard A,Prade B et al. Physical Review Letters . 2007
5Cole B E,,Williams J B,King B T et al. Nature . 2001
6SHENG Z M,WU H C,LI K et al. Physical Review E Statistical Nonlinear and Soft Matter Physics . 2004
7SHENG Z M,Mima K,ZHANG J et al. Physical Review Letters . 2005
8Bartel T,Gaal P,Reimann K et al. Optics Letters . 2005
9Ammosov M V,Delone N B,Krainov V P.Tunnel ionization of complex atoms and of atomic ions in an alternating electromagnetic field[].Soviet Physics JETP.1986
10Leemans,W.P.,Geddes,C.G.R.,Faure,J.,Tóth,C.,van Tilborg,J.,Schroeder,C.B.,Esarey,E.,Fubiani,G.,Auerbach,D.,Marcelis,B.,Carnahan,M.A.,Kaindl,R.A.,Byrd,J.,Martin,M.C.Observation of THz emission from a laser-plasma accelerated electron bunch crossing a plasma-vacuum boundary[].Physical Review Letters.2003

1YAO Hong-juan, ZHANG Tian-jue, LU Yin-long.Calculation of Transverse Acceptance of CYCIAE-100[J].Annual Report of China Institute of Atomic Energy,2006(1):22-23.
2Qi Zhong,Guo Zhongyan,Zhan Wenlong,Liu Guanhua,Zhou Jianqun,Wang Jinchuan,Zhao Youxiong,Zhang Wansheng,Luo Yongfeng and Lin Yuangen.A Large Area Two-fold Longitudinal Filed Ionization Chamber[J].IMP & HIRFL Annual Report,1995(0):44-44.
3SUN Yi-wen,SU Hong.Sielectric Properties of Terahertz Windows Materials for Bio-sample Measurement[J].Chinese Journal of Biomedical Engineering(English Edition),2016,25(1):18-23.
4肖陈,何源,刘勇,原有进,王志军,贺守波,徐孟鑫,李超,岳伟明,常玮,赵红卫,夏佳文.Preliminary design and simulation of a 162.5 MHz high-intensity proton RFQ for an accelerator driven system[J].Chinese Physics C,2011,35(11):1053-1058.
5Dang Bingrong,Wei Zengquan,Zhang Shumin,Li Wengjian,Li Qiang,Xie Hongmei,Han Guangwu and Zhou Guangdong.A New Detector Measuring Ionization Distribution in Tissue-equivalent Gas[J].IMP & HIRFL Annual Report,1996(1):161-161.
6Zhu Lianfang,Chen Xuebing and Su Youwu.A　Comparison　between　Three　Methods　for　Transverse　shielding　Design　of　High　Energy　Heavy　Ion　Accelerator[J].IMP & HIRFL Annual Report,1995(0):95-95.
7王立敏.高电子迁移率晶体管太赫兹探测器特性[J].功能材料与器件学报,2008,14(4):787-792.
8何安,高杰,朱雄伟,李大章.Simulation study of electron injection into plasma wake fields by colliding laser pulses using OOPIC[J].Chinese Physics C,2009,33(S2):177-180.
9李敏,李安原,何泊衢,袁帅,曾和平.Modulation of terahertz generation in dual-color filaments by an external electric field and preformed plasma[J].Chinese Physics B,2016,25(4):171-174.
10牛兴平,吴斌.Simulations of Reversed Shear Configuration in EAST[J].Plasma Science and Technology,2007,9(2):139-142.

Chinese Physics C

2009年第S2期

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Terahertz emission in tenuous gases irradiated by ultrashort laser pulses

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