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27 条记录 (耗时 0.031 秒)

    Optical system and optical equipment including the same
    12.
    发明授权
    Optical system and optical equipment including the same 有权
    光学系统和光学设备包括相同

    公开(公告)号：US08717684B2

    公开(公告)日：2014-05-06

    申请号：US12779596

    申请日：2010-05-13

    申请人： Daisuke Sano ,  Kazuhiko Momoki ,  Takeharu Okuno

    发明人： Daisuke Sano ,  Kazuhiko Momoki ,  Takeharu Okuno

    IPC分类号： G02B3/02 ,  G02B1/11 ,  G02B27/00 ,  G02B13/18

    CPC分类号： G02B3/02 ,  G02B1/11 ,  G02B1/118 ,  G02B13/06 ,  G02B13/18 ,  G02B27/0018

    摘要： Provided is an optical system with an excellent anti-reflection effect and ghost suppression effect including an aspherical lens having at least one of an incident surface and an exiting surface of an optical glass formed of an aspherical surface, in which: the aspherical surface includes an anti-reflection structure formed thereon, the anti-reflection structure having an anti-reflection function and including multiple inorganic structural parts finer than a used wavelength; and the aspherical surface has a point that satisfies the following expression: |(1/Rm−1/Rs)/Rm|>5.0×10−5, where Rm denotes a radius of curvature in a meridional direction at an arbitrary point, and Rs denotes a radius of curvature in a sagittal direction at the arbitrary point.

    摘要翻译： 提供一种具有优异的抗反射效果和重影抑制效果的光学系统，包括具有由非球面形成的光学玻璃的入射面和出射面中的至少一个的非球面透镜，其中：非球面包括 防反射结构形成在其上，抗反射结构具有抗反射功能，并且包括比所使用的波长更细的多个无机结构部件; 并且非球面具有满足以下表达式的点：|（1 / Rm-1 / Rs）/ Rm |> 5.0×10-5，其中Rm表示任意点的子午方向的曲率半径， Rs表示任意点的矢状方向的曲率半径。

    OPTICAL SYSTEM, BARREL, AND OPTICAL INSTRUMENT USING SAME
    13.
    发明申请
    OPTICAL SYSTEM, BARREL, AND OPTICAL INSTRUMENT USING SAME 有权
    光学系统，棒材和光学仪器

    公开(公告)号：US20120275027A1

    公开(公告)日：2012-11-01

    申请号：US13454148

    申请日：2012-04-24

    申请人： Takeharu OKUNO

    发明人： Takeharu OKUNO

    IPC分类号： G02B1/11 ,  G02B3/00

    CPC分类号： G02B1/118 ,  G02B1/115 ,  G02B7/025 ,  G02B2207/107

    摘要： Provided is an optical system having at least two or more lenses, wherein at least one of the lenses comprises an anti-reflection film formed by a wetting method on a part of or the entirety of the light beam effective surface thereof, and wherein at least one of the lenses other than the lens comprising the anti-reflection film is fixed to the space between the lens and a barrel for holding the lens via an energy-curable resin to be filled therein.

    摘要翻译： 本发明提供一种具有至少两个以上的透镜的光学系统，其中至少一个透镜包括在其光束有效表面的一部分或全部上通过润湿方法形成的防反射膜，并且其中至少 除了包含抗反射膜的透镜之外的透镜之一被固定到透镜和用于通过能量固化树脂保持透镜的镜筒之间的空间以被填充。

    Optical element and optical system having the same
    14.
    发明授权
    Optical element and optical system having the same 有权
    光学元件和光学系统具有相同的功能

    公开(公告)号：US08179603B2

    公开(公告)日：2012-05-15

    申请号：US12783175

    申请日：2010-05-19

    申请人： Takeharu Okuno

    发明人： Takeharu Okuno

    IPC分类号： G02B5/02 ,  G02B3/02

    CPC分类号： G02B27/0018 ,  G02B1/118 ,  G02B5/1861

    摘要： An optical element that has a fine textured structure formed on an exit surface thereof. The fine textured structure satisfies the following conditions: λmin/1.71nsub

    摘要翻译： 一种在其出射表面上形成有细纹理结构的光学元件。 细纹理结构满足以下条件：λmin/ 1.71nsub

    OPTICAL ELEMENT AND OPTICAL APPARATUS
    16.
    发明申请
    OPTICAL ELEMENT AND OPTICAL APPARATUS 有权
    光学元件和光学设备

    公开(公告)号：US20100091376A1

    公开(公告)日：2010-04-15

    申请号：US12446713

    申请日：2008-07-24

    申请人： Daisuke Sano ,  Takeharu Okuno

    发明人： Daisuke Sano ,  Takeharu Okuno

    IPC分类号： G02B27/12

    CPC分类号： G02B1/118 ,  G02B5/1809 ,  G02F2201/38

    摘要： The optical element includes in order from a light-entering side, a first layer (012), a second layer (013), and a base member (011). The first layer includes a concavo-convex structure with convex portions (012a) and concave portions (012b) alternately formed at a pitch smaller than a wavelength λ of entering light, and the second layer satisfies the following conditions: nb · n   s - 0.15 ≤ n   A ≤ nb · n   s + 0.10 λ 8 · n   A ≤ dA ≤ λ n   A where ns represents an effective refractive index of the first layer, nb represents a refractive index of the base member, and nA and dA respectively represent a refractive index and a thickness of the second layer.

    摘要翻译： 光学元件从光入射侧依次包括第一层（012），第二层（013）和基底构件（011）。 第一层包括具有以比入射光的波长λ小的间距交替形成的凸部（012a）和凹部（012b）的凹凸结构，第二层满足以下条件：nb·n - 0.15≤nгA≤nb·nès±0.10λ8·nгA≤dA≤λnгA其中ns表示第一层的有效折射率，nb表示第一层的折射率 基底，nA和dA分别表示第二层的折射率和厚度。

    Diffractive optical element and optical system having the same
    17.
    发明授权
    Diffractive optical element and optical system having the same 有权
    衍射光学元件和具有该衍射光学元件的光学系统

    公开(公告)号：US06947214B2

    公开(公告)日：2005-09-20

    申请号：US10406713

    申请日：2003-04-02

    申请人： Takeharu Okuno

    发明人： Takeharu Okuno

    IPC分类号： G02B5/18

    CPC分类号： G02B5/1814

    摘要： A diffractive optical element in which eclipse of rays at a grating side surface of a diffraction grating can be reduced is disclosed. In a diffractive optical element comprises a plurality of diffraction gratings made of different materials are laminated, at least one of the plurality of diffraction gratings includes a region in which the grating side surface inclines or a region in which edges thereof are shifted with respect to the edge of another diffraction grating adjacent thereto. The inclination or shift amount is different according to the positions thereof in a surface of the diffractive optical element in accordance with the incident angle or emergent angle of a specified ray such as a ray determined on the basis of an average value, gravity value, maximum value and minimum value obtained from the distribution of incident angle or emergent angle or the like, rays, etc.

    摘要翻译： 公开了一种衍射光学元件，其中可以减少衍射光栅的光栅侧表面处的光线的蚀刻。 在衍射光学元件包括由不同材料制成的多个衍射光栅层叠的情况下，多个衍射光栅中的至少一个衍射光栅包括光栅侧表面倾斜的区域或其边缘相对于 与其相邻的另一个衍射光栅的边缘。 根据衍射光学元件的表面的位置，倾斜或偏移量根据基于平均值，重力值，最大值等确定的指定射线的入射角或出射角而不同 从入射角或出射角等的分布获得的值和最小值，射线等

    Optical element
    19.
    发明授权
    Optical element 有权
    光学元件

    公开(公告)号：US08559112B2

    公开(公告)日：2013-10-15

    申请号：US12704805

    申请日：2010-02-12

    申请人： Takeharu Okuno

    发明人： Takeharu Okuno

    IPC分类号： G02B1/10

    CPC分类号： G02B1/118 ,  B29D11/00865 ,  C03C17/10 ,  C03C17/25 ,  C03C2217/214 ,  C03C2217/252 ,  C03C2217/732 ,  C03C2217/77 ,  C03C2218/113

    摘要： An optical element includes an optical surface formed by a press molding method, wherein a ray effective portion of the optical surface has formed thereon an antireflection structure including a minute uneven structure, which contains a component different from that of a base of the optical element and has an average pitch of 400 nm or less.

    摘要翻译： 光学元件包括通过压制成型方法形成的光学表面，其中光学表面的光线有效部分在其上形成有包括与光学元件的基底不同的成分的微小不均匀结构的抗反射结构， 平均间距为400nm以下。