Properties of LD edge-pumped Yb：YAG laser

Based on the theory of quasi-three-level solid-state laser,the laser properties of LD edge-pumped Yb:YAG slab laser are studied with numerical calculation method.The laser output properties,temperature effect,optical distortion and doped concentration optimization are studied.The calculation results indicate that 100kW laser output can be achieved with Yb:YAG medium,whose size is about 130mm×60mm×3mm and Yb3+ concentration should be less than 1%.It is feasible to grow the crystal with size of 130mm×60mm×3mm,so Yb:YAG is a promising material used in the tactical laser weapons.