Fast proton generation from ultrashort laser pulse interaction with double-layer foil targets -: art. no. 215001

被引：96

作者：

Badziak, J

Woryna, E

Parys, R

Platonov, KY

Jablonski, S

Ryé, L

Vankov, AB

Wolowski, J

机构：

[1] Inst Plasma Phys & Laser Microfus, PL-00908 Warsaw, Poland

[2] St Petersburg State Tech Univ, St Petersburg 195251, Russia

[3] Res Inst Laser Phys, St Petersburg 199034, Russia

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 87卷 / 21期

关键词：

D O I：

10.1103/PhysRevLett.87.215001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The results of studies of fast-proton generation from foil targets irradiated by 1-ps laser pulse at 10(17) W/cm(2) are presented. It is shown that a considerable increase in proton energy and current is possible when a double-layer foil target containing a high-Z layer and a low-Z hydrogen-rich layer is used instead of a single-layer target. Proton energies and current increase with the Z of the high-Z layer and depend essentially on the target and the layer thicknesses. Above 10(9) forward-emitted protons of energy >100 keV have been recorded within a cone angle <3<degrees>.

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页码：215001 / 1

页数：4

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