Development of laser ion source for heavy ion applications

被引：1

作者：

Shibuya, Shinji ^{[1
]}

Hattori, Toshiyuki ^{[3
]}

Hayashizaki, Noriyosu ^{[3
]}

Kashiwagi, Hirotsugu ^{[2
]}

Maruyama, Toshiyuki ^{[4
]}

Mochizuki, Tetsuro ^{[4
]}

Momota, Sadao ^{[5
]}

Nakagawa, Jun ^{[4
]}

Takeuchi, Takeshi ^{[1
]}

机构：

[1] Accelerator Engn Corp, Inage Ku, Chiba 2630043, Japan

[2] Japan Atom Energy Agcy, Takasaki, Gunma 3701292, Japan

[3] Tokyo Inst Technol, Meguro Ku, Tokyo 1528550, Japan

[4] Toyama Co Ltd, Kanagawa 2520003, Japan

[5] Kochi Univ Technol, Kochi 7828502, Japan

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2011年 / 269卷 / 24期

关键词：

Laser ion source; Heavy ion; High-charge-state;

D O I：

10.1016/j.nimb.2011.04.042

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We have been developing a high-performance laser ion source (LIS) for practical applications since 2009. Ideally, the US should generate a carbon beam with a peak current of 20 mA and a pulse duration of over 1 mu s. We selected a Nd:YAG laser with a Gaussian-coupled resonator as the laser source based on our experience of generating high-charge-state ion beams. This laser can produce fundamental pulses with a power of 650 mJ and durations of about 6 ns. The graphite target used is 10 cm high and 10 cm in diameter, as it can be irradiated with up to 10(5) laser shots. The maximum extraction voltage was designed to be 50 kV. We have already finished designing the LIS and we commenced fabrication. We intend to measure the source performance by performing plasma and beam tests up to the end of March 2011. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：2932 / 2935

页数：4

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