Abstract
Ground state atomic (H, D, C, and O) densities within a plasma are measured by the present resonance fluorescence technique. Background radiation intensity within a plasma environment, particularly within a tokamak, discourages one from accepting the inefficiency of exciting these atoms by a multiphoton process. Consequently the alternate approach1 of tripling a pulsed dye laser into the VUV has been optimized and then incorporated into a light collecting telescope (see Fig. 1).
© 1983 Optical Society of America
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