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  • 1
    Digitale Medien
    Digitale Medien
    Neon-hydrogen penning plasma laser in a helical hallow-cathode discharge (1991)
    Springer
    Applied physics 53 (1991), S. 30-33 
    Details
    ISSN: 1432-0649
    Schlagwort(e): 42.55F ; 42.60B
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract A Penning plasma laser (PPL) operating at the NeI 585.3 nm and NeI 1.15 μm lines in Ne-H2 mixture has been realized. Helical configuration of the electrodes was used. The dependence of the laser-pulse shape and output power on current pulse duration and amplitude values were investigated. Peak output powers of 1.5 W for the yellow line and 1.2 W for the IR line have been measured. The population inversion mechanism for the 585.3 nm line is discussed in the frames of a model for PPL. The main factor maintaining the population inversion on both lines is depopulation of the Ne(1s 2) level by Penning reactions with H2.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00325479
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    A simple kinetic model of a Ne-H2 Penning-plasma laser (1995)
    Springer
    Applied physics 61 (1995), S. 305-310 
    Details
    ISSN: 1432-0649
    Schlagwort(e): 42.55.Hz ; 52.25 ; 52.80. Sm
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract A simple kinetic model of the Ne-H2 Penning-Plasma Laser (PPL) (NeI 585.3 nm) is proposed. The negative glow of a hollow cathode discharge at intermediate pressures is considered as the active medium. The balance equations for the upper and lower laser levels, electrons, ions and electron energy are solved. The dependences of the laser gain on the discharge conditions (Ne and H2 partial pressures, discharge current) are calculated and measured. The calculated values are in a good agreement with the experimental data.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01082051
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Numerical modeling of a He-Kr coil hollow cathode laser (1993)
    Springer
    Applied physics 57 (1993), S. 293-300 
    Details
    ISSN: 1432-0649
    Schlagwort(e): 42.55.Lt ; 52.25 ; 52.80.-s
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract A theoretical study of a He-Kr laser (KrII, 469.4 nm line) pumped by a helical hollow cathode discharge is presented. A detailed kinetic model of plasmachemical reactions and radiative processes including the influence of gas heating on the active medium is developed. In the process of numerical calculations the dependence of the plasma parameters (electron and gas temperature, electron and metastable density, upper and lower laser level density) and laser characteristics (output power and gain coefficient) on the variations of discharge pumping, gas-mixture partial pressures and geometry of the coil hollow cathode, are investigated. The results of the numerical calculations are in a good agreement with the experimental data.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00325209
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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