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.
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页数：3
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