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以前指出,可以用化学法在化学不稳定的STK3、STK7及STK8玻璃光学零件上镀制一层和两层增透膜和保护膜。消色差的两层和三层镀膜用于宽波可透镜上,直到目前,这样的膜层还没有用在STK3、STK7及STK8玻璃光学零件上。研究表明,为减小上述玻璃零件的反射,增透膜必须镀到新抛光的表面上。从四乙氧基钛、四乙氧基硅及其混合物溶液制取了增透膜。已注意到,STK7和STK8玻璃表面当同弱酸溶液接触时就镀上淀积物和一层裂纹网。因此,镀膜溶液用较小量的氯化
It has previously been shown that one or two antireflection and protective coatings can be chemically applied to chemically unstable STK3, STK7 and STK8 glass optical components. Achromatic two- and three-layer coatings are used on wide-wave optics, which have not been used on STK3, STK7 and STK8 glass optics until now. Research has shown that in order to reduce the reflection of the above glass components, the anti-reflection coating must be applied to the newly polished surface. AR coatings were prepared from tetraethoxytitanium, tetraethoxysilane and mixtures thereof. It has been noticed that STK7 and STK8 glass surfaces deposit deposits and a layer of cracked mesh when in contact with a weak acid solution. Therefore, the coating solution is chlorinated with a smaller amount