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The Laser-Induced Fluorescence (LIF) diagnostic method has the unique ability to measure all major physical properties of plasma ions, with resolution on the mm/nsec scales, in plasmas under LAPD conditions. LIF and its variant Optical Tagging (OT) constitute the fastest-expanding measurement technology in basic plasma physics, and have made possible the characterization of new wave-particle processes in precisely the frequency regime of Alfvén waves, i.e. when the dominant interaction is with ions.
Left image: Pump and Dye laser on optical table.
Dye laser showing several optical components
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