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    Online Resource
    Online Resource
    American Vacuum Society ; 1984
    In:  Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films Vol. 2, No. 2 ( 1984-04-01), p. 693-697
    In: Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, American Vacuum Society, Vol. 2, No. 2 ( 1984-04-01), p. 693-697
    Abstract: Velocity distributions and relative populations in the fine-structure levels of the a 5DJ ground state of Fe atoms, produced by sputtering with 3 keV argon ions, have been investigated by Doppler-shifted laser-induced fluorescence. The laser system employs a single-mode, scanning ring dye laser, amplified by a sequence of three excimer-pumped flowing dye cells. Frequency doubling in a KD*P crystal was used to produce high energy ( & gt;0.5 mJ) pulses of narrowband tunable UV output near 300 nm. Laser power influence on effective velocity bandwidth was investigated. Favorable light-collection geometry minimized distortion of the velocity spectra from apparatus-averaging effects. In impurity flux diagnostic applications in fusion devices, substantial spatial averaging may occur. In the latter case, the narrow velocity bandwidth (70 m/s, transform limit) of the present laser system is particularly useful.
    Type of Medium: Online Resource
    ISSN: 0734-2101 , 1520-8559
    RVK:
    Language: English
    Publisher: American Vacuum Society
    Publication Date: 1984
    detail.hit.zdb_id: 1475424-1
    detail.hit.zdb_id: 797704-9
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