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设计了高功率固体热容激光器实验装置。采用二极管阵列泵浦Nd:GGG晶体腔内串联的方式,对激光器的输出特性进行了实验研究,得到输出平均功率8.7 kW,光光效率20%。获得了增益介质内的荧光分布,利用干涉测量法测量干涉条纹表征增益介质受热后折射率变化造成的畸变。
The experiment device of high power solid heat capacity laser was designed. The output characteristic of the laser was experimentally studied by using diode array pumped Nd: GGG in series. The average output power was 8.7 kW and the optical efficiency was 20%. The fluorescence distribution in the gain medium was obtained. The interference fringes were used to measure the distortion induced by the change of the refractive index after the gain medium was heated.