Extraction of Dense Ion Beams from Plasmas

An ion optical system suitable for extracting dense ion beams from gas discharges is described. A study of the beam forming characteristics of the system was performed by using an automatic trajectory tracer with space-charge simulation. Experimental measurements show that the extraction system oper...

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Bibliographic Details
Published in:Journal of applied physics 1967-01, Vol.38 (10), p.4019-4023
Main Authors: Kramer, N. B., King, H. J.
Format: Article
Language:English
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Summary:An ion optical system suitable for extracting dense ion beams from gas discharges is described. A study of the beam forming characteristics of the system was performed by using an automatic trajectory tracer with space-charge simulation. Experimental measurements show that the extraction system operates satisfactorily over a wide range of current densities; total mercury-ion beam currents in excess of 1 A have been achieved. An empirical method of estimating perveance as a function of geometry, based on electrolytic tank measurements, is in agreement with experimental results.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.1709059