SIMION®
The field and particle trajectory simulator
Industry standard charged particle optics software
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Trap Example

This is from the "_TRAP" group.prg example in SIMION 7.0. This uses a user program to demonstrate motions of groups of ions in an ion trap. Ions form patterns and shells due to charge repulsion and gas cooling (simulated by Stoke's law).


3-D view of trap.


Adjusting Fly parameters.


Dynamic potential energy view.


Particle motion. Note: heavy ions have the largest shell.

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