Velocity Map Imaging
Low energy electron and ion imaging
In Velocity Map Imaging (VMI), charged fragments generated after laser ionization of parent molecules will fly toward to detectors. Due to different masses, ions will have different time-of-flights (TOF). Therefore, ions with different mass can be separated in time domain to form corresponding ion images.
Replacing the old CCD/CMOS camera with ASI TPX3CAM detector, to be able to obtain full momenta of charged particles. Normally, ions in the VMI requires nanosecond time resolution, while electrons in the VMI requires picosecond time resolution.
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