View of the slit grid with nine plane focusing segments.
PBGUNS code trajectory plot for plane geometry.
KOBRA-INP code trajectories and equipotential lines in central cross section along the slit.
KOBRA-INP code emittance plot along the slit.
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.
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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