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A D−surface‐conversion source for neutral beam applications

 

作者: J. W. Kwan,   G. D. Ackerman,   C. F. Chan,   M. E. Cooper,   W. S. Cooper,   G. J. de Vries,   K. N. Leung,   W. F. Steele,   R. P. Wells,   A. West,   M. D. Williams,  

 

期刊: AIP Conference Proceedings  （AIP Available online 1992）
卷期: Volume 287, issue 1  

页码: 295-304

 

ISSN:0094-243X

 

年代: 1992

 

DOI:10.1063/1.44792

 

出版商: AIP

 

数据来源: AIP

 

摘要:

We are developing a surface‐conversion source, using a 10 cm diameter solid barium converter, to produce D−ion beams suitable for acceleration by the ESQ accelerator. The ion temperature was found to be ≊3% of the converter bias potential. The efficiency of converting D+to D−is as high as 4.8% but only 25% of the D−ions survived to leave the source without being stripped by the plasma or the gas molecules. Some early results from the RF discharges are promising because of their higher power efficiency and gas efficiency.

 

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