Suppressing longitudinal double-layer oscillations by using elliptically polarized laser pulses in the hole-boring radiation pressure acceleration regime

Wu D.; Zheng C.Y.; Zhou C.T.; Yan X.Q.; Yu M.Y.; He X.T.

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Suppressing longitudinal double-layer oscillations by using elliptically polarized laser pulses in the hole-boring radiation pressure acceleration regime

机译：通过在钻孔辐射压力加速条件下使用椭圆偏振激光脉冲抑制纵向双层振荡

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It is shown that well collimated mono-energetic ion beams with a large particle number can be generated in the hole-boring radiation pressure acceleration regime by using an elliptically polarized laser pulse with appropriate theoretically determined laser polarization ratio. Due to the J × B effect, the double-layer charge separation region is imbued with hot electrons that prevent ion pileup, thus suppressing the double-layer oscillations. The proposed mechanism is well confirmed by Particle-in-Cell simulations, and after suppressing the longitudinal double-layer oscillations, the ion beams driven by the elliptically polarized lasers own much better energy spectrum than those by circularly polarized lasers.

机译：结果表明，通过使用具有理论上确定的激光偏振比的椭圆偏振激光脉冲，可以在钻孔辐射压力加速过程中产生具有大量粒子的良好准直的单能离子束。由于J×B效应，双层电荷分离区充满了防止离子堆积的热电子，从而抑制了双层振荡。所提出的机制已通过“粒子中的粒子”模拟得到了很好的证实，并且在抑制了纵向双层振荡之后，由椭圆偏振激光器驱动的离子束具有比圆偏振激光器更好的能谱。

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《Physics of plasmas》 |2013年第2期|共5页
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Wu D.; Zheng C.Y.; Zhou C.T.; Yan X.Q.; Yu M.Y.; He X.T.;
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1. Suppressing longitudinal double-layer oscillations by using elliptically polarized laser pulses in the hole-boring radiation pressure acceleration regime [J] . Wu D., Zheng C.Y., Zhou C.T., Physics of plasmas . 2013,第2期

机译：通过在钻孔辐射压力加速条件下使用椭圆偏振激光脉冲抑制纵向双层振荡
2. Quasi-monoenergetic ion generation by hole-boring radiation pressure acceleration in inhomogeneous plasmas using tailored laser pulses [J] . S. M. Weng, M. Murakami, H. Azechi, Physics of plasmas . 2014,第1期

机译：使用定制的激光脉冲通过在非均质等离子体中钻孔辐射压力加速产生准单能离子
3. Generation of heavy ion beams using femtosecond laser pulses in the target normal sheath acceleration and radiation pressure acceleration regimes [J] . Petrov G. M., McGuffey C., Thomas A. G. R., Physics of plasmas . 2016,第6期

机译：使用飞秒激光脉冲在目标法向护套加速和辐射压力加速状态下产生重离子束
4. Key conditions for stable ion radiation pressure acceleration by circularly polarized laser pulses [C] . B. Qiao, M. Zepf, P. Gibbon, Laser acceleration of electrons, protons, and ions; and Medical applications of laser-generated secondary sources of radiation and particles . 2011

机译：圆偏振激光脉冲稳定离子辐射压力的关键条件
5. Novel concepts for laser-plasma-based acceleration of electrons using ultrahigh power laser pulses. [D] . Kim, Joon-Koo. 1998

机译：使用超高功率激光脉冲的基于激光等离子体的电子加速的新概念。
6. Generation of elliptically polarized nitrogen ion laser fields using two-color femtosecond laser pulses [O] . Ziting Li, Bin Zeng, Wei Chu, -1

机译：使用双色飞秒激光脉冲产生椭圆偏振氮离子激光场
7. Suppressing longitudinal double-layer oscillations by using elliptically polarized laser pulses in the hole-boring radiation pressure acceleration regime [O] . Wu, Dong, Zheng, C. Y., Zhou, C. T., 2013

机译：用椭圆法抑制纵向双层振荡极化激光脉冲在钻孔辐射压力加速度政权
8. Cloud hole-boring with long pulse CO2 lasers. [R] . Quigley, G. P., Webster, R. B., York, G. W. 1990

机译：使用长脉冲CO2激光器钻孔。

Suppressing longitudinal double-layer oscillations by using elliptically polarized laser pulses in the hole-boring radiation pressure acceleration regime

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