Digital image of ion beam transmission through a micro-glass-capillary

Top: (a)–(d) Digital image of ion beam transmission through a micro-glass-capillary. Note the self focusing and conic type transport.

Bottom: (e)–(h) corresponding potential distribution at 10, 80, 4000, and 4430 V collector potential, respectively. Colour code for (a)-(d) represents Log10 (q (in C/m3)) and (e)-(h) represents potential in (kV).

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