A High Charge State All-Permanent Magnet ECR Ion Source for the IMP 320 Kv HV Platform

L. T. Sun,H. W. Zhao,J. Y. Li,H. Wang,B. H. Ma,Z. M. Zhang,X. Z. Zhang,X. H. Guo,Y. Shang,X. X. Li,Y. C. Feng,Y. H. Zhu,P. Z. Wang,H. P. Liu,M. T. Song,X. W. Ma,W. L. Zhan

Nuclear instruments and methods in physics research Section B, Beam interactions with materials and atoms/Nuclear instruments & methods in physics research Section B, Beam interactions with materials and atoms（2007）

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摘要

A 320kV high voltage (HV) platform has been constructed at Institute of Modern Physics (IMP) to satisfy the increasing requirements of experimental studies in some heavy ion associated directions. A high charge state all-permanent magnet ECRIS-LAPECR2 has been designed and fabricated to provide intense multiple charge state ion beams (such as 1000eμA O6+, 16.7eμA Ar14+, 24eμA Xe27+, etc.) for the HV platform. LAPECR2 has a dimension of ∅650mm×560mm. The powerful 3D magnetic confinement to the ECR plasma and the optimum designed magnetic field for the operation at 14.5GHz makes it possible to obtain very good performances from this source. After a brief introduction of the ECRIS and accelerator development at IMP, the conceptual design of LAPECR2 source is presented. The first test results of this all-permanent magnet ECRIS are given in this paper.

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关键词

ECR ion source,all-permanent magnet,high charge state

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