Simulation of the analytical solution of lasing output power for Yb 3+: YAG thin disk laser regime in a fundamental mode operation

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A theoretical model is established to derivation equation of output Laser power for multi-pass pumping for a quasi-three level thin-disk laser, A numerical solution of this equation for Yb3+:YAG thin-disk laser, which pumped at wavelength (940 nm) and lasing emission at wavelength (1030 nm), regime in fundamental transverse mode (M2=0.95) at room temperature were performed by calculated the variation of (Nt),(d),(Mp),(R2),(T) and (Pp) on the output Laser power and find the typical value of these parameters are used to obtain high output Laser power.