Beam collimation and transport of laser-accelerated protons by a solenoid field

被引：0

作者：

Harres, K. ^{[1
]}

Alber, I. ^{[1
]}

Tauschwitz, A. ^{[2
,3
]}

Bagnoud, V. ^{[2
,3
]}

Daido, H. ^{[4
]}

Guenther, M. ^{[1
]}

Nuernberg, F. ^{[1
]}

Otten, A. ^{[1
]}

Schollmeier, M. ^{[5
]}

Schuetrumpf, J. ^{[1
]}

Tampo, M. ^{[4
]}

Roth, M. ^{[1
]}

机构：

[1] Tech Univ Darmstadt, Inst Kernphys, Schlossgartenstr 9, D-64289 Darmstadt, Germany

[2] GSI Hemholtzzentrum Schwerionenforsch GmbH, Plasmaphys, D-64291 Darmstadt, Germany

[3] PHELIX, D-64291 Darmstadt, Germany

[4] JAEA, Photo Med Res Ctr, Kizugawa City, Kyoto 6190215, Japan

[5] Sandia Natl Labs, Albuquerque, NM 87185 USA

来源：

SIXTH INTERNATIONAL CONFERENCE ON INERTIAL FUSION SCIENCES AND APPLICATIONS, PARTS 1-4 | 2010年 / 244卷

关键词：

D O I：

10.1088/1742-6596/244/2/022036

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：

A pulsed high field solenoid was used in a laser-proton acceleration experiment to collimate and transport the proton beam that was generated at the irradiation of a flat foil by a high intensity laser pulse. 10(12) particles at an energy of 2.3MeV could be caught and transported over a distance of more than 240 mm. Strong space charge effects occur, induced by the high field of the solenoid that forces all co-moving electrons down the the solenoid's axis, building up a strong negative space charge that interacts with the proton beam. This leads to an aggregation of the proton beam around the solenoid's axis and therefore to a stronger focusing effect. The collimation and transport of laser-accelerated protons is the first step to provide these unique beams for further applications like post-acceleration by conventional accelerator structures.

引用

页数：4

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