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Beam formation by ion optical system with slit finite length aperturesa)
a)Contributed paper, published as part of the Proceedings of the 12th International Conference on Ion Sources, Jeju, Korea, August 2007.
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10.1063/1.2830235
/content/aip/journal/rsi/79/2/10.1063/1.2830235
http://aip.metastore.ingenta.com/content/aip/journal/rsi/79/2/10.1063/1.2830235
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

View of the slit grid with nine plane focusing segments.

Image of FIG. 2.
FIG. 2.

PBGUNS code trajectory plot for plane geometry.

Image of FIG. 3.
FIG. 3.

KOBRA-INP code trajectories and equipotential lines in central cross section along the slit.

Image of FIG. 4.
FIG. 4.

KOBRA-INP code emittance plot along the slit.

Image of FIG. 5.
FIG. 5.

Dependences of beam angular divergence across the slit on beam current density. Upper curve: result of KOBRA-INP code simulations, lower curve: result of experimental measurements.

Image of FIG. 6.
FIG. 6.

Measured angular divergence profile along the slit. Approximation curve (solid line) is sum of two Gaussians with angular divergences of 0.4° (dashed line) and 0.2° (dashed-dotted line).

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/content/aip/journal/rsi/79/2/10.1063/1.2830235
2008-02-20
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Beam formation by ion optical system with slit finite length aperturesa)
http://aip.metastore.ingenta.com/content/aip/journal/rsi/79/2/10.1063/1.2830235
10.1063/1.2830235
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