A microwave ion source with permanent magnet

SONG Zhizhong YU Jinxiang GUO Zhiyu PENG Shixiang MING Jianchuan YUAN Zhongxi WANG Zhongyi

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A microwave ion source with permanent magnet

更新时间：2021-03-12

- A microwave ion source with permanent magnet
- NUCLEAR TECHNIQUES Issue 2, (2006)
- 作者机构：
  
  1. 北京大学重离子物理研究所重离子物理教育部重点实验室
  2. 北京大学重离子物理研究所重离子物理教育部重点实验室北京 100871 北京 100871 北京 100871 北京 100871 北京 100871 北京 100871,北京,100871
  3. 北京大学重离子物理研究所重离子物理教育部重点实验室北京大学重离子物理研究所重离子物理教育部重点实验室北京 100871 北京 100871 北京 100871 北京 100871 北京 100871 北京 100871,北京,100871
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL503.3
- Published：01 February 2006
- 稿件说明：
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[1]宋执中,于金祥,郭之虞,彭士香,明建川,袁忠喜,王忠义.永磁微波离子源[J].核技术,2006(02):90-92.

SONG Zhizhong YU Jinxiang GUO Zhiyu PENG Shixiang MING Jianchuan YUAN Zhongxi WANG Zhongyi. A microwave ion source with permanent magnet[J]. Nuclear techniques, 2006, (2): 90-92.
[1]宋执中,于金祥,郭之虞,彭士香,明建川,袁忠喜,王忠义.永磁微波离子源[J].核技术,2006(02):90-92. DOI：

SONG Zhizhong YU Jinxiang GUO Zhiyu PENG Shixiang MING Jianchuan YUAN Zhongxi WANG Zhongyi. A microwave ion source with permanent magnet[J]. Nuclear techniques, 2006, (2): 90-92. DOI：

摘要

介绍了2.45 GHz袖珍永磁微波离子源的进展

源的外廓尺寸Φ100 min×100mm

重量小于5 kg。它可工作于脉冲和连续两种放电模式。在微波功率500 W、引出电压45 kV及等离子体电极发射孔径为5 mm的条件下

对于脉冲模式

峰值流强为100 mA

柬流密度500 mA／cm2;而对于连续模式

流强为60 mA

束流密度300 mA／cm2。两种模式的质子比均可达到80％

归一化均方根发射度小于0．1πmm·mrad。

Abstract

The progress of a 2.45 GHz compact microwave ion source with permanent magnet was introduced in this paper. The source outline dimension is Φ100mm×100mm

and its weight is less than 5 kg. It can operate in both pulse and CW mode. At 500 W microwave power

45 kV extraction voltage and 5 mm of diameter of emittance hole on the plasma electrode

100 mA peak current of hydrogen ion beam was extracted in pulse mode

corresponding to a beam density of 500 mA/cm2; at the same conditions 60 mA hydrogen ion current was extracted and beam density was 300 mA/cm2 in CW mode. The proton ratios were about 80% and emittances Erms were less than 0.17πmm·mrad in both modes.

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中国科学院高能物理研究所

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