Demonstration of repetitive energetic proton generation by ultra-intense laser interaction with a tape target

被引：21

作者：

Dover, N. P. ^{[1
]}

Nishiuchi, M. ^{[1
,2
]}

Sakaki, H. ^{[1
]}

Kondo, Ko. ^{[1
]}

Lowe, H. F. ^{[1
]}

Alkhimova, M. A. ^{[3
]}

Ditter, E. J. ^{[4
]}

Ettlinger, O. C. ^{[4
]}

Faenov, A. Ya. ^{[3
,5
]}

Hata, M. ^{[6
]}

Hicks, G. S. ^{[4
]}

Iwata, N. ^{[6
]}

Kiriyama, H. ^{[1
]}

Koga, J. K. ^{[1
]}

Miyahara, T. ^{[1
,7
]}

Najmudin, Z. ^{[4
]}

Pikuze, T. A. ^{[3
,5
]}

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

Sagisaka, A. ^{[1
]}

Schramm, U. ^{[8
]}

Sentoku, Y. ^{[6
]}

Watanabe, Y. ^{[7
]}

Ziegler, T. ^{[8
]}

Zeil, K. ^{[8
]}

Kando, M. ^{[1
]}

Kondo, K. ^{[1
]}

机构：

[1] Natl Inst Quantum & Radiol Sci & Technol, Kansai Photon Sci Inst, Kyoto 6190215, Japan

[2] Japan Sci & Technol Agcy, PRESTO, 4-1-8 Honcho, Saitama 3320012, Japan

[3] Russian Acad Sci, Joint Inst High Temp, Moscow 125412, Russia

[4] Imperial Coll London, Blackett Lab, John Adams Inst Accelerator Sci, London SW7 2AZ, England

[5] Osaka Univ, Inst Open & Transdisciplinary Res Initiat, Suita, Osaka 5650871, Japan

[6] Osaka Univ, Inst Laser Engn, 2-6 Yamadaoka, Suita, Osaka 5650871, Japan

[7] Kyushu Univ, Interdisciplinary Grad Sch Engn Sci, Kasuga, Fukuoka 8168580, Japan

[8] Helmholtz Zentrum Dresden Rossendorf, D-01328 Dresden, Germany

来源：

HIGH ENERGY DENSITY PHYSICS | 2020年 / 37卷

基金：

英国工程与自然科学研究理事会;

关键词：

High intensity lasers; Laser plasma accelerators; Ion sources; Proton acceleration; ION-ACCELERATION; PETAWATT; IRRADIATION; BEAMS;

D O I：

10.1016/j.hedp.2020.100847

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

High power laser systems are an attractive driver for compact energetic ion sources. We demonstrate repetitive acceleration at 0.1 Hz of proton beams up to 40 MeV from a reeled tape target irradiated by ultra-high intensities up to 5 x 10(21) Wcm(-2) and laser energies approximate to 15 J using the J-KAREN-P laser system. We investigate the stability of the source and its behaviour with laser spot focal size. We compare the scaling of proton energy with laser energy to a recently developed analytical model, and also demonstrate that it is possible to reach energies up to 50 MeV on a single shot with a lower laser energy approximate to 10 J by using a thinner target, motivating development of high repetition targetry suitable for thinner targets.

引用

页数：6

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