Proton injector acceptance tests for a Dielectric Wall Accelerator (DWA):characterisation of Advanced Injection System of Light Ions (AISLI)

S. X. Peng, H. T. Ren, Y. Xu, T. Zhang, J. Zhao, A. L. Zhang, Z. Y. Guo, J. E. Chen

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

To demonstrate the acceleration capability of a Dielectric Wall Accelerator (DWA), a proton injector has been developed at Peking University (PKU). It is composed of a compact permanent magnet 2.45 GHz Electron Cyclotron Resonance Ion Source (PKU PMECRIS) associated with a LEBT of two electrostatic Einzel lenses [1]. This injector is named as Advanced Injector System of Light Ions (AISLI). The acceptance tests have been performed with a 40 keV-55 mA hydrogen beam successfully passing through a φ 10 mm aperture diaphragm. This diaphragm is located 200 mm downstream the plasma emission hole at the location of the future DWA entrance flange. The beam rms emittance reached about 0.10 π mm mrad in pulsed mode. This article describes the AISLI experimental setup, the measurement principle and the obtained beam characteristics.

Original languageEnglish
Pages (from-to)120-123
Number of pages4
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume763
DOIs
StatePublished - Nov 1 2014
Externally publishedYes

Funding

This work was supported by National Natural Science Foundation of China No. 11075008 , No. 11175009 and No. 91126004 .

FundersFunder number
National Natural Science Foundation of China11175009, 11075008, 91126004
National Natural Science Foundation of China

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