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Heavy Ion Beam Probe Plasma Diagnostic System for the Deep Magnetic Well Lite Device

A heavy ion beam probe plasma diagnostic system has been developed for the Laser Initiated Target Experiment (LITE) at UTRC. This is the first application of ion beam probing to a plasma confined by a strongly three dimensional magnetic field. The deep magnetic well, minimum-B field produced by the "baseball" magnet coil results in complex trajectories and severe defocusing of both the injected primary beam and detected secondary beam. Spatial resolution can be maintained by aperturing the entrance slit to the detector or installing compensating ion optics. The system is capable of space and time resolved measurements of plasma density and space potential near the central region of the mirror-confined plasma.