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Abstract

The density of Fe atoms produced by bombarding a stainless steel target with Ar(+) ions was measured by laser induced fluorescence (LIF) using a tunable dye laser. Measurements of the fluorescence signal were made by varying the laser power incident on Fe atoms by means of grey filters. The experimental curve of the fraction of total pumped atoms versus the saturation parameter was obtained. The measurement sensitivity limit is 1.0 E9 atoms/cm3 when LIF diagnostic on FTU is considered including plasma emission background.

Additional information

Authors: ORSITTO F, ENEA, Centro Ricerche Energia Frascati, Roma (IT);BORRA M, ENEA, Centro Ricerche Energia Frascati, Roma (IT);COPPOTELLI F, ENEA, Centro Ricerche Energia Frascati, Roma (IT);GATTI G, ENEA, Centro Ricerche Energia Frascati, Roma (IT)
Bibliographic Reference: Paper presented: 10th Annual High-temperature Plasma Diagnostics, Rochester, New York (US), May 8-12, 1994
Availability: Available from (1) as Paper EN 38381 ORA
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