Demonstration of high-efficiency microwave heating producing record highly charged xenon ion beams with superconducting electron cyclotron resonance ion sources

X. Wang; J. B. Li; V. Mironov; J. W. Guo; X. Z. Zhang; O. Tarvainen; Y. C. Feng; L. X. Li; J. D. Ma; Z. H. Zhang; W. Lu; S. Bogomolov; L. Sun; H. W. Zhao

doi:10.1103/PhysRevAccelBeams.27.083401

Demonstration of high-efficiency microwave heating producing record highly charged xenon ion beams with superconducting electron cyclotron resonance ion sources

X. Wang, J. B. Li, V. Mironov, J. W. Guo, X. Z. Zhang, O. Tarvainen, Y. C. Feng, L. X. Li, J. D. Ma, Z. H. Zhang, W. Lu, S. Bogomolov, L. Sun, H. W. Zhao

DOI 10.1103/PhysRevAccelBeams.27.083401 · Physical Review Accelerators and Beams

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Abstract

Intense highly charged ion beam production is essential for high-power heavy ion accelerators. A novel movable Vlasov launcher for superconducting high charge state electron cyclotron resonance ion source has been devised that can affect the microwave power effectiveness by a factor of about 4 in terms of highly charged ion beam production. This approach based on a dedicated microwave launching system instead of the traditional coupling scheme has led to new insight on microwave-plasma interaction. With this new understanding, the world record highly charged xenon ion beam currents have been enhanced by up to a factor of 2, which could directly and significantly enhance the performance of heavy ion accelerators and provide many new research opportunities in nuclear physics, atomic physics, and other disciplines.