Development of rf plasma generators for neutral beams Page: 3 of 20
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Abstract
The development of low frequency (1 - 2 MHz) RF plasma generators for high
power neutral beam applications is summarized. Immersed couplers from one to
three turns were used. Acceptable plasma profiles, 115% max/min, were
obtained in a variety of f tield-free, magnetic bucket and magnetic filter-bucket
sources, with 10 x 10 cm or 10 x 40 cm extraction areas. Hydrogen beam
properties were measured with a 7 x 10 cm accelerator operated at 80 kV.
Atomic fraction and power efficiency were at least as high as with arc plasmas
in similar chambers. The potential advantages of an rf plasma source are: ease
of operation; reliability; and extended service lifetime.-1-
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Vella, M. C.; Ehlers, K. W.; Kippenhan, D.; Pincosy, P. A.; Pyle, R. V.; DiVergilio, W. F. et al. Development of rf plasma generators for neutral beams, article, October 1, 1984; California. (https://digital.library.unt.edu/ark:/67531/metadc1105247/m1/3/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.