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Effect of preacceleration on intense ion‐beam transmission efficiency

 

作者: J. H. Whealton,   C. C. Tsai,   W. K. Dagenhart,   W. L. Gardner,   H. H. Haselton,   J. Kim,   M. M. Menon,   P. M. Ryan,   D. E. Schechter,   W. L. Stirling,  

 

期刊: Applied Physics Letters  （AIP Available online 1978）
卷期: Volume 33, issue 4  

页码: 278-279

 

ISSN:0003-6951

 

年代: 1978

 

DOI:10.1063/1.90364

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Utilization of a preacceleration potential to accelerate ions before they reach the emission aperture results in a substantial increase in the transmission efficiency. For an intense modified duoPIGatron focused multibeamlet (1799 apertures) 22‐cm‐diam ion source, the total transmission efficiency for beam power through an aperture 20×25 cm located 4.10 m downstream increased 30%. This result is in agreement with a previous solution to the appropriate two‐dimensional Poisson‐Vlasov equation for ions extracted from a plasma.

 

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