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Some Questions of Gas Laser Theory
Spontaneous Emission with Induced Transitions Taken
Induced Emission and Absorption of a Weak Field
9 other sections not shown
absorption active medium amplification approximation assume atom calculation collision integral consider corresponds crystal curve decay density depends determined dielectric constant Doppler Doppler broadening Doppler effect effect Eksp elastic collisions Electronics emission line emission probability energy excitation expression external field factor field amplitude field distribution flux formula function gas lasers giant pulse Hence I(fi increase induced emission inhomogeneity initial conditions integral intensity inverse population investigation JETP layer levels linear luminescence masers matrix method mirrors modes monochromatic natural frequencies Nonlinear Optics obtain optical parameters phase Phys polarization problem quantity quantum radiation reflection coefficients refractive index region relationship resonance parametric S. G. Rautian saturation shows soft collisions solution spatial spectral spontaneous emission statistically independent strong field substance system of equations Teor term theory threshold tion transverse development transverse modes two-quantum weak field width zero