Continuous highly charged ion beams from the National Institute of Standards and Technology electron-beam ion trap

We describe our newly modified beam line and present its performance in conjunction with the National Institute of Standards and Technology electron-beam ion trap. We find that, contrary to previously reported results from similar ion sources, the highest intensity time-averaged ion fluxes are achie...

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Bibliographic Details
Published in:Review of scientific instruments 1997-05, Vol.68 (5), p.1998-2002
Main Authors: Ratliff, L. P., Bell, E. W., Parks, D. C., Pikin, A. I., Gillaspy, J. D.
Format: Article
Language:English
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Summary:We describe our newly modified beam line and present its performance in conjunction with the National Institute of Standards and Technology electron-beam ion trap. We find that, contrary to previously reported results from similar ion sources, the highest intensity time-averaged ion fluxes are achieved by letting the ions boil out of the trap in a continuous stream rather than periodically dumping the trap to produce a pulsed beam. We produced continuous beams of 3.0(6)×10 6   Xe 44+ ions per second and lower flux beams of charge states up to Xe 49+ . Also, in pulsed mode, we created beams with very high peak flux, over 10 10   Xe 44+ ions per second.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1148087