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Self-Q-switching behavior of a Cr3+:LiSAF laser

We present a theoretical study of the influence of the direct coupling of the average lattice strains to the active ions on the behavior of a Cr3+:LiSAF gain switching laser. It is found that the resulting nonlinear time- dependent lensing effect combined with an internal hard aperture behaves as a saturable absorber. A resulting self- Q-switching is observed from the calculated laser pulses.