<RESEARCH REPORT>Population Inversion in a Recombining Hydrogen Plasma Interacting with a Helium Gas
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概要
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A numerical investigation has shown that the population inversion between the levels with the principal quantum number i=2 and 3 takes place in a recombining hydrogen plasma which is interacting with a cool and dense helium gas on the basis of a collisional- radiative (CR) model. Overpopulation density Δn_32,which is defined as the difference between the population densities per unit statistical weight of the upper and lower excited levels 3 and 2,is found to be much higher than a threshold level for the laser oscillation in the quasi-steady state when the hydrogen plasma with n_e=10^<13>∿10^<14>cm^<-3> interacts with the helium gas with pressure of ∿50 Torr.
- 核融合科学研究所の論文
著者
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Oda Toshiatsu
Research Information Center Institute Of Plasma Physics Nagoya University:department Of Applied Phys
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Furukane Utaro
Research Information Center, Institute of Plasma Physics, Nagoya University
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Furukane Utaro
Research Information Center Institute Of Plasma Physics Nagoya University:department Of Physics Coll
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Furukane Utaro
Research Information Center Institute Of Plasma Physics Nagoya University:department Of Physics Coll
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Oda Toshiatsu
Research Information Center Institute Of Plasma Physics Nagoya University:department Of Applied Physics And Chemistry Faculty Of Engineering Hiroshima University
関連論文
- The Optimum Condition of TPD-I Recombining Helium Plasma for VUV Coherent Lasing Action
- Population Inversion between the Ground State and the First Excited State in a Recombining Hydrogen Plasma
- Gas-Contact Cooling for VUV Laser Oscillation in Recombining Plasmas
- Population Inversion in a Recombining Hydrogen Plasma Interacting with a Helium Gas
- The Behaviour of Population in a Plasma Interacting with an Atomic Gas
- Population Inversion in an Optically Thick Recombining Hydrogen Plasma
- Population Inversion in Recombining Hydrogen Plasma
- Population Inversion and Threshold Condition for Laser Oscillation in Optically Thin and Thick Recombining Plasmas