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对激光二极管(LD)抽运固体激光器中大功率线阵激光二极管三向对称侧面抽运的漫反射腔结构进行了研究。激光器使用Nd∶YAG作为激光晶体,电光器件材料为KD*P晶体,漫反射体为陶瓷材料。实验表明,抽运光的利用率和均匀性有较大提高。在重复频率为10 Hz下,实现了脉冲宽度8 ns,最大平均功率为近2 W的1064 nm红外激光输出,激光器的效率有显著提高。
The structure of the diffusely reflecting cavity pumped by a three-way symmetric side of a high-power linear laser diode in a laser diode (LD) pumping solid-state laser was studied. The laser uses Nd: YAG as the laser crystal, the electro-optic device material is KD * P crystal, and the diffuse reflector is the ceramic material. Experiments show that the utilization rate and uniformity of pumping light are greatly improved. At a repetition rate of 10 Hz, a 1064 nm infrared laser with a pulse width of 8 ns and a maximum average power of nearly 2 W was achieved. The laser efficiency was significantly improved.