Effect of preacceleration on intense ion-beam transmission efficiency
- 15 August 1978
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 33 (4) , 278-279
- https://doi.org/10.1063/1.90364
Abstract
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.Keywords
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