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Developments in laser wakefield accelerators：From single-stage to two-stage
  • ISSN号：1674-1056
  • 期刊名称：《中国物理B：英文版》
  • 时间：0
  • 分类：TN24[电子电信—物理电子学]
  • 作者机构：State Key Laboratory of High Field Laser Physics,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences
  • 相关基金：supported by the Ministry of Science and Technology (Grant Nos.2011DFA11300and 2011CB808104);the National Natural Science Foundation of China(Grant Nos.61221064,11125526, 11335013and 11127901)
作者： 李文涛[1], 王文涛[1], 刘建胜[1], 王成[1], 张志钧[1], 齐荣[1], 余昌海[1], 李儒新[1], 徐至展[1]
关键词： Light, fan, ORBITAL, ANGULAR, momentum, Laguerre-Gaussian, laser, Vortex, HARMONICS, Proton, acceleration, Lightfan, Orbitalangularmomentum, LaguerreＧGaussianlaser, Vortexharmonics, ProtonaccelＧ eration
中文摘要：

When a relativistic laser pulse of high photon density interacts with a specially tailored thin foil target,a strong torque is exerted on the resulting spiral-shaped foil plasma,or'light fan'.Because of its structure,the latter can gain significant orbital angular momentum(OAM),and the opposite OAM is imparted to the reflected light,creating a twisted relativistic light pulse.Using such a relativistic LaguerreGaussian(LG)laser interaction with a solid foil,we can get intense high order vortex harmonics.Besides that,proton acceleration using LG laser and hollow screw-like drill in plasma using LG laser are studied.All interaction scenarios are demonstrated by particle-in-cell simulation as well as analytical modeling,and should be verifiable in the laboratory.As important characteristics,twisted relativistic light pulse has strong torque and ultra-high OAM density,which may lead to many more new effects.

英文摘要：

Whenarelativisticlaserpulseofhighphotondensityinteractswithaspeciallytailoredthinfoil target,astrongtorqueisexertedontheresultingspiralＧshapedfoilplasma,or“lightfan”．Becauseofits structure,thelattercangainsignificantorbitalangularmomentum (OAM),andtheoppositeOAMisimＧ partedtothereflectedlight,creatingatwistedrelativisticlightpulse．UsingsucharelativisticLaguerreＧ Gaussian(LG)laserinteractionwithasolidfoil,wecangetintensehighordervortexharmonics．Besides that,protonaccelerationusingLGlaserandhollowscrewＧlikedrillinplasmausingLGlaserarestudied． AllinteractionscenariosaredemonstratedbyparticleＧinＧcellsimulationaswellasanalyticalmodeling,and shouldbeverifiableinthelaboratory．Asimportantcharacteristics,twistedrelativisticlightpulsehas strongtorqueandultraＧhighOAMdensity,whichmayleadtomanymoreneweffects．

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期刊信息
  • 《中国物理B：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国物理学会和中国科学院物理研究所
  • 主编：欧阳钟灿
  • 地址：北京 中关村 中国科学院物理研究所内
  • 邮编：100080
  • 邮箱：
  • 电话：010-82649026 82649519
  • 国际标准刊号：ISSN：1674-1056
  • 国内统一刊号：ISSN：11-5639/O4
  • 邮发代号:
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  • 被引量:406