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新疆大学物理系,新疆大学物理系,东京都农工大学工学部大学院 新疆乌鲁木齐830046东京都农工大学工学部大学院东京都小金井市东京184-0012,新疆乌鲁木齐830046,东京都小金井市东京,184-0012
Published:2007
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[1]阿不都热苏力.阿布都热西提,艾买提.尼牙孜,冈田利男.高能离子的定向发射及其模拟研究[J].新疆大学学报(自然科学版),2007,No.106(02):180-183+190.
阿不都热苏力.阿布都热西提, 艾买提.尼牙孜, 冈田利男. 高能离子的定向发射及其模拟研究[J]. Journal of Xinjiang University (Natural Science Edition in Chinese and English), 2007, 106(2): 180-183.
本文用二维粒子模拟方法研究了超强超短脉冲激光与圆形等离子体薄靶相互作用中产生的高能离子.模拟研究结果表明
在圆形等离子体薄靶后表面所产生的高能离子
角分布较小
定向性好
能获得很高的能量
并且等离子体薄靶的形状对高能离子的产生和会聚有一定地影响.
The simulation method of Particle-in-Cell(PIC) is applied for studying fast ion bunch contraction problem caused by the interaction of ultraintense laser pulse and circle concave plasma target.The simulation results show that the energetic ions from the rear circle concave plasma target have a rather smaller angular distribution and accelerated to higher energy.The result of this research indicated that the change of the plasma target shape directly affects the degree of accelerated ion bunch contraction.
Pukhov A.Three dimensional simulation of ion acceleration from a foil irradiated by a short-pulse laser[J].Phys RevLett,2001,86(16):3562-3565.
Wilks S C,London A B,Cowan T E,et al.Energetic proton generation in ultra intense laser solid interactions[J].Phys Plasmas,2001,8(2):542-549.
Okada T,Mikado Y,Kitada T,et al.Fast Ion Bunch Generation Laser Pulse on Plasma Foil Target[J].Jpn J ApplPhys,2005,44(3):1431-1435.
Andreev A A,Platonov Yu K,Okada T,et al.Nonlinear absorption of short intense laser pulse in a nonuniformplasma[J].Phys Plasmas.2003,10(1):220-226.
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