Source-to-accelerator quadrupole matching section for a compact linear accelerator

Recently, we presented a new approach for a compact radio-frequency (RF) accelerator structure and demonstrated the functionality of the individual components: acceleration units and focusing elements. In this paper, we combine these units to form a working accelerator structure: a matching section...

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Bibliographic Details
Published in:Review of scientific instruments 2018-05, Vol.89 (5), p.053302
Main Authors: Seidl, P. A., Persaud, A., Ghiorso, W., Ji, Q., Waldron, W. L., Lal, A., Vinayakumar, K. B., Schenkel, T.
Format: Article
Language:English
Subjects:
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
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Summary:Recently, we presented a new approach for a compact radio-frequency (RF) accelerator structure and demonstrated the functionality of the individual components: acceleration units and focusing elements. In this paper, we combine these units to form a working accelerator structure: a matching section between the ion source extraction grids and the RF-acceleration unit and electrostatic focusing quadrupoles between successive acceleration units. The matching section consists of six electrostatic quadrupoles (ESQs) fabricated using 3D-printing techniques. The matching section enables us to capture more beam current and to match the beam envelope to conditions for stable transport in an acceleration lattice. We present data from an integrated accelerator consisting of the source, matching section, and an ESQ doublet sandwiched between two RF-acceleration units.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.5023415