Extraction optics for ion beam generation in the ARIEL facility at TRIUMF

Date

2016-09-28

Authors

Maldonado Millan, Fernando Alejandro

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Abstract

The proposed ion optics extraction geometry from ARIEL has been optimized based on simulations with Comsol. Geometrical parameters such as the acceleration gap and angle of the face of the vacuum chamber were studied in order to improve the beam 4-emittance and beam spot size. For geometries of interest, additional studies have been performed: voltage dependence, mass dependence, and the effect of the ion source misalignment on the beam parameters and how to compensate them. Simulations and experimental measurements were also performed for the current ISAC surface ion source to corroborate the simulation results.

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Keywords

ions, optics

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