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Our goal is producing and extracting multicharged ion beams ranged wide mass/charge numbers in the single device. We are constructing the extractor which can be optimized for various ion species. The extractor in an electron cyclotron resonance ion source (ECRIS) consists of three electrodes. We improve the width of gap length between plasma electrode and mid-electrode of the extractor. The width...
The influence of the working gas pressure on the extraction behavior of ion beams out of a cold or hot reflex discharge ion source was investigated using xenon ions in the energy range from 17 to 30 keV. Optimal extraction conditions were achieved by transmission measurements through a 90 doubly focusing dipole magnet. The measured currents obtained at the optimized transmission reproduce the Child-Langmuir...
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