TITLE

A new structure of superconducting magnetic system for 50 GHz operations (invited)

AUTHOR(S)
Xie, D. Z.
PUB. DATE
February 2012
SOURCE
Review of Scientific Instruments;Feb2012, Vol. 83 Issue 2, p02A302
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
High field and high frequency have been leading the development of electron cyclotron resonance ion sources (ECRISs) in the past decade as demonstrated by the achieved great performance. The present superconducting magnet structures built with NbTi wires have reached an axial field of 3.5-4.0 T and a radial field of 2.0 T for operating frequency up to 28 GHz. Further increase of the magnetic field strength will require higher current superconductor, i.e., Nb3Sn wires. This paper will present the features of a new superconducting magnet structure and review of the existing structures. Using NbTi wires, the new magnet structure could be able to produce maximum fields of 7.0 T on axis and radial field of 3.7 T at a hexagonal plasma chamber wall for ECRIS operations up to 50 GHz. If this new magnet can be built with Nb3Sn wires, much higher fields can be expected.
ACCESSION #
72107695

 

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