Deceleration of a divergent beam from initial energy of to final energy of to (as simulated using SIMION).
Equipotential surfaces for deceleration of a parallel beam from initial energy of to final energy of . The surfaces between the first two electrodes correspond to equipotentials of 1–21 kV spaced 1 kV apart and subsequent surfaces are spaced by 300 V each. The experimental chamber is at 29.995 kV (as simulated using SIMION).
The variation in energy along the length of the deceleration lens.
Beam acceptance as obtained using SIMION simulations for a beam having initial energy of and final energy of .
Cutout view of the mechanical design of the deceleration lens (as simulated using SOLIDWORKS).
Schematic of the beamline of the PKDELIS ECRIS.
Cross-sectional view of the RPA. The metal electrodes (A, B, C, and D) are isolated using ceramic spacers (E and F).
Simulated RPA spectrum for an ion beam of initial energy decelerated to .
Current (triangles) and energy (circles) spectrum for as a function of retarding voltage on the RPA. The initial energy of the beam is 70 keV and the final energy after deceleration is 1290 eV.
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