Novel schemes of proton acceleration at ∼ 1 PW laser power

被引：0

作者：

Brantov, A. V. ^{[1
]}

Bychenkov, V. Yu. ^{[1
]}

机构：

[1] PN Lebedev Phys Inst, Moscow 119991, Russia

来源：

ICONO 2010: INTERNATIONAL CONFERENCE ON COHERENT AND NONLINEAR OPTICS | 2011年 / 7993卷

关键词：

ION-ACCELERATION; GENERATION; BEAMS; TARGET; ELECTRON; PLASMA;

D O I：

10.1117/12.880712

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The 3D particle-in-sell (PIC) simulations of interaction of short high-intense laser pulses with solid state targets (ultrathin double-layer foils and homogeneous targets consisted of heavy and light ions) and low-density targets (dense gas jets or aerogels) have been performed. It has been shown that gas jet targets have no any advantage in comparison with ultrathin foils in terms of maximum proton energy and spectrum quality. The utilization of mass-limited foil of submicron thickness allows one to increase efficiency of high-energy particles production. As a result, the monoenergetic proton beams with energy of hundreds mega-electron-volts can be generated by the laser pulses with energy of the order of tens of joules. The best performance of the ion sources discussed is achieved by proper matching of laser pulse intensity, pulse duration, focal spot size and target density.

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页数：7

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