Nishiuchi, Mamiko; Daido, Hiroyuki; Yogo, Akifumi; Orimo, Satoshi; Ogura, Koichi; Ma, J.-L.; Sagisaka, Akito; Mori, Michiaki; Pirozhkov, A. S.; Kiriyama, Hiromitsu; Bulanov, S. V.; Esirkepov, T. Z.; Choi, I. W.*; Kim, C. M.*; Jeong, T. M.*; Yu, T. J.*; Sung, J. H.*; Lee, S. K.*; Hafz, N.*; Pae, K. H.*; Noh, Y.-C.*; Ko, D.-K.*; Lee, J.*; Oishi, Yuji*; Nemoto, Koshichi*; Nagatomo, Hideo*; Nagai, Keiji*; Azuma, Hirozumi*
High-flux energetic protons whose maximum energies are up to 4 MeV are generated by an intense femtosecond Titanium Sapphire laser pulse interacting with a 7.5, 12.5, and 25
m thick Polyimide tape targets. The laser pulse energy is 1.7 J, duration is 34 fs, and intensity is 3
10
Wcm
. The amplified spontaneous emission (ASE) has the intensity contrast ratio of 410
. The conversion efficiency from laser energy into proton kinetic energies of 
3% is achieved, which is comparable or even higher than those achieved in the previous works with nanometer-thick targets and the ultrahigh contrast laser pulses (10
).
Language |
: | English |
|---|---|---|
Journal |
: | |
Volume |
: | 15 |
Number |
: | 5 |
Pages |
: | p.053104_1 - 053104_10 |
Publication Year/Month |
: | 2008/05 |
Paper URL |
: |
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Keywords |
: | no keyword |
Press Release |
: | |
Article of JAEA R&D Review |
: | Medical Applications for the Laser-Driven Proton Beam; High Quality Beam Is Produced with High Conversion Efficiency[ |
Cooperating Institute |
: |
Accesses |
: |
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InCites™ |
: |
Percentile:83.73 Category:Physics, Fluids & Plasmas |
Altmetrics |
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