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文中讨论了用于锗上的高效高稳定性宽带红外减反射膜的设计及制备，其特点为：（１）采用了吸收较大但膜层稳定性好的膜料以保证其性能；（２）运用等效折射率理论进行膜系设计，从而保证满意的光学性能。
The article discusses the design and preparation of high efficiency and high stability broadband infrared anti-reflection coating on germanium, which has the following characteristics: (1) Adopt the membrane material which has good absorption and good film stability to ensure the performance; (2) ) Use the equivalent refractive index theory for the design of the membrane system to ensure satisfactory optical performance.