High-intensity laser-driven proton acceleration enhancement from hydrogen containing ultrathin targets

被引：7

作者：

Dollar, F. ^{[1
]}

Reed, S. A. ^{[1
]}

Matsuoka, T. ^{[1
]}

Bulanov, S. S. ^{[1
]}

Chvykov, V. ^{[1
]}

Kalintchenko, G. ^{[1
]}

McGuffey, C. ^{[1
]}

Rousseau, P. ^{[1
]}

Thomas, A. G. R. ^{[1
]}

Willingale, L. ^{[1
]}

Yanovsky, V. ^{[1
]}

Litzenberg, D. W. ^{[2
]}

Krushelnick, K. ^{[1
]}

Maksimchuk, A. ^{[1
]}

机构：

[1] Univ Michigan, Ctr Ultrafast Opt Sci, Ann Arbor, MI 48109 USA

[2] Univ Michigan, Dept Radiat Oncol, Ann Arbor, MI 48109 USA

来源：

APPLIED PHYSICS LETTERS | 2013年 / 103卷 / 14期

关键词：

ION ACCELERATORS; BEAMS; GENERATION; THERAPY; PULSES; SOLIDS; PLASMA;

D O I：

10.1063/1.4824361

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Laser driven proton acceleration experiments from micron and submicron thick targets using high intensity (2 x 10(21) W/cm(2)), high contrast (10(-15)) laser pulses show an enhancement of maximum energy when hydrogen containing targets were used instead of non-hydrogen containing. In our experiments, using thin (<1 mu m) plastic foil targets resulted in maximum proton energies that were consistently 20%-100% higher than when equivalent thickness inorganic targets, including Si3N4 and Al, were used. Proton energies up to 20MeV were measured with a flux of 10(7) protons/MeV/sr. (C) 2013 AIP Publishing LLC.

引用

页数：3

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