In order to improve the damage threshold and enlarge the aperture of a laser beam shaper, photolithographic patterning t......

采用ΖnS/YbF3五层膜系结构镀制了CaF2窗口在3.4～4.2 μm波长范围的红外宽带增透膜,光谱测试结果 表明平均透过率在99%以上,该膜层......