Abstract:The viability of the "volume"-effect for enhancing the high-charge-state populations and intensities of beams extracted from ECR ion sources has been clearly demonstrated at several laboratories. Enlarged ECR zones have been achieved by engineering the central magnetic field so that it is flat and in resonance with single-frequency rf power or alternatively, by using multiple frequency or broadband techniques to enlarge the ECR volumes within these sources. For example, the performances of conventional B-geome… Show more
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