采用真空热蒸发技术,制备出了性能优良的MgF2/ZnS双层减反射薄膜.采用扫描电子显微镜、X射线衍射仪对薄膜的形貌以及结晶形态进行分析,采用椭圆偏振仪测试薄膜的折射系数及厚度,利用反射谱对双层减反射薄膜的减反射性能进行了表征.研究表明:衬底温度为200 ℃时薄膜附着力、结晶态良好;蒸发速率影响薄膜的表面形态;MgF2/ZnS厚度为110 nm/35 nm时具有最佳减反射效果.
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