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    • 4. 发明申请
    • Wavelength separation film and filter for optical communication using the same
    • 用于光通信的波长分离膜和滤波器
    • US20090207495A1
    • 2009-08-20
    • US12318137
    • 2008-12-22
    • Yoshimasa YAMAGUCHIMasaaki KADOMI
    • Yoshimasa YAMAGUCHIMasaaki KADOMI
    • G02B5/28G02B1/10
    • G02B27/142G02B5/286
    • A wavelength separation film having a structure containing plural thin films laminated to each other including a first thin film containing a high refractive index material, a second thin film containing a low refractive index material, and a third thin film containing a material having an intermediate refractive index that intervenes between the refractive index of the high refractive index material and the refractive index of the low refractive index material, the high refractive index material being silicon, the low refractive index material being at least one selected from silicon oxide, magnesium fluoride and aluminum oxide, and the material having an intermediate refractive index being at least one selected from titanium oxide, tantalum oxide, niobium oxide, zirconium oxide, hafnium oxide and aluminum oxide.
    • 一种波长分离膜,其具有包含彼此层叠的多个薄膜的结构,所述多个薄膜包括含有高折射率材料的第一薄膜,含有低折射率材料的第二薄膜,以及含有中等折射率的材料的第三薄膜 介于高折射率材料的折射率和低折射率材料的折射率之间的折射率,高折射率材料是硅,低折射率材料是选自氧化硅,氟化镁和铝中的至少一种 氧化物,中间折射率为选自氧化钛,氧化钽,氧化铌,氧化锆,氧化铪和氧化铝中的至少一种的材料。