进行了惯性约束聚变(ICF)准分子激光拉曼链工程的基础研究工作。为给出拉曼链中所用空间滤波器的设计要求和可靠性,进行了详细的设计实验判断性研究。给出研究过程和结果,并对设计结论和优化方法进行了理论基础分析。还据实验结果讨论了适用于高功率激光系统的空间滤波器的设计中面临的焦距和滤波小孔孔径选择的不确定性、波长和光束功率密度对选择小孔的影响等问题。

A detailed experimental study on the spatial filters used in the ICF Raman system has been carried out relating to their general design.From the experimental results and analysis,a considerable difference to the case of solid state laser system shows that for the design of the spatial filters used in the ICF Raman system,some special considerations must be taken.The results in this paper can provide general direction to the system design rules for the engineering project building.