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    • 4. 发明申请
    • A SYSTEM COMPRISING A MULTIFOCAL DIFFRACTIVE LENS COMPONENT
    • 包含多功能透镜镜头组件的系统
    • WO2014064163A1
    • 2014-05-01
    • PCT/EP2013/072196
    • 2013-10-23
    • ESSILOR INTERNATIONAL (COMPAGNIE GÉNÉRALE D'OPTIQUE)CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)
    • PELOUX, MariusCHAVEL, Pierre
    • G02C7/06G02C7/04G02B5/18
    • G02C7/042A61F2/1602G02B5/1895G02C7/022G02C7/028G02C7/06G02C7/065G02C2202/20
    • A simultaneously bifocal optical system defined by a first system focal point and a second system focal point and a pupil, said system comprising a simultaneously bifocal diffractive lens component having a first focal point, a second focal point and a plurality of diffractive zones (101_1-101_n), the plurality of diffractive zones including a central zone (101_1) and a plurality of annular concentric zones (101_2-101_n) surrounding the central zone, the lens component having a first optical power and a second optical power associated with the first focal point and the second focal point respectively, the first focal point and the second focal point respectively corresponding to points of convergence of the most luminous orders of diffraction generated by the lens component for a nominal wavelength, the first system focal point and the second system focal point having a position dependent upon the value of the first optical power and the second optical power of the lens respectively, wherein the central zone has a surface area value determined as a function of the pupil of the optical system, of the first optical power and of the second optical power.
    • 由第一系统焦点和第二系统焦点和瞳孔限定的同时双焦点光学系统,所述系统包括同时双焦衍射透镜部件,其具有第一焦点,第二焦点和多个衍射区(101-1) 101_n),所述多个衍射区域包括围绕中心区域的中心区域(101_1)和多个环形同心区域(101_2-101_n),透镜部件具有与第一焦点相关联的第一光焦度和第二光焦度 点和第二焦点,第一焦点和第二焦点分别对应于由透镜部件为标称波长产生的最大发光次数的收敛点,第一系统焦点和第二系统焦点 具有分别取决于第一光焦度的值和透镜的第二光焦度的位置的点 这里,中心区域具有根据光学系统的光瞳,第一光焦度和第二光焦度确定的表面积值。