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  • 1
    Digitale Medien
    Digitale Medien
    Intense spontaneous amplified emission of Li2 diffuse violet bands in the 4400 Å region (1987)
    Springer
    Applied physics 43 (1987), S. 225-230 
    Details
    ISSN: 1432-0649
    Schlagwort(e): 42.60 ; 42.65 ; 33.80K
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract We report observation of intense spontaneous amplified radiation of Li2 diffuse violet band in the 4100–4900 Å region. The radiation is strongly enhanced when the lithium vapor in a heat pipe is optically pumped with a pulsed dye laser with the output wavelength tuned to near the Li 2s–4s two-photon resonance transition. The diffuse violet band can probably be assigned to a recently reported triplet bound-free (23 Π g →a 3 Σ u + ) transition. It is found that the productions of the molecular diffuse band are contributed from Li atoms as well as Li2 molecules. The excitation functions and their dependence on laser power density are presented and the mechanisms for producing the diffuse bands are discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00692492
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Observation of 280 nm and 298 nm ultraviolet emissions in sodium vapor (1989)
    Springer
    Applied physics 48 (1989), S. 421-426 
    Details
    ISSN: 1432-0649
    Schlagwort(e): 42.60 ; 42.65
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Dye laser output around 578 nm is utilized to pump sodium vapor confined in a heatpipe. Fixed wavelength ultraviolet emissions at 280 nm and 298 nm are observed for the first time and can be explained by anti-Stokes Raman scattering and two photon emission respectively. In addition, there are tunable emission lines around 280 nm and 298 nm, the frequencies of which vary with pump laser wavelength. These tunable lines can be explained by four-wave mixing schemes.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00694543
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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