Computer Modeling of Gas Lasers |
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ambient temperature amplifier amplitude assume Boltzmann equation calculated cavity cm² cm³ CO₂ CO2 laser coefficients cross sections d³v defined derived diffusion dispersion relation drift velocity elastic collisions electric field electron distribution electron energy electron mobility electron number density electron-molecule energy flux equilibrium excitation rates f₁ fo(v form of Eq gain-switched given by Eq Haas heavy-particle Hence inelastic input instability integral ionization KBIG kinetic matrix molecules n₁ N₂ negative-ion number density obtain odd function P₁ particles plasma population inversion pulse rate equations rate of change reactions relaxation resonator right-hand side rotational sublevel sec¯¹ side of Eq solution solved species steady-state Subroutine substituted into Eq superelastic collisions transitions translational energy translational-rotational V₁ values variables vibrational energy vibrational level vibrational modes vibrational temperature zero δι ία