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    Optical element, and optical system and optical apparatus using same
    1.
    发明授权
    Optical element, and optical system and optical apparatus using same 有权
    光学元件，以及使用其的光学系统和光学装置

    公开(公告)号：US09158039B2

    公开(公告)日：2015-10-13

    申请号：US13552830

    申请日：2012-07-19

    申请人： Takeharu Okuno ,  Rie Ishimatsu

    发明人： Takeharu Okuno ,  Rie Ishimatsu

    IPC分类号： G02B1/118

    CPC分类号： G02B1/118 ,  G02B1/11

    摘要： The optical element of the present invention has an anti-reflection film formed on a substrate. Here, the anti-reflection film comprises a first layer formed on the substrate; a second layer formed on the first layer and consisting of a material different from that of the first layer; and a third layer formed on the second layer and consisting of a concave-convex structure. Also, the third layer has three regions of which a refractive index for each thickness changes at a constant rate by continuously changing the space filling factor of the concave-convex structure.

    摘要翻译： 本发明的光学元件在基板上形成有防反射膜。 这里，防反射膜包括形成在基板上的第一层; 形成在第一层上并由与第一层不同的材料组成的第二层; 以及形成在第二层上并由凹凸结构构成的第三层。 此外，第三层具有三个区域，每个厚度的折射率通过连续改变凹凸结构的空间填充系数以恒定的速率变化。

    Optical system, barrel, and optical instrument using
    2.
    发明授权
    Optical system, barrel, and optical instrument using 有权
    光学系统，镜筒和光学仪器使用

    公开(公告)号：US09250362B2

    公开(公告)日：2016-02-02

    申请号：US13454148

    申请日：2012-04-24

    申请人： Takeharu Okuno

    发明人： Takeharu Okuno

    IPC分类号： G02B7/02 ,  G02B1/115 ,  G02B1/118

    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
    4.
    发明申请
    OPTICAL ELEMENT AND OPTICAL SYSTEM HAVING THE SAME 有权
    光学元件和光学系统

    公开(公告)号：US20100296177A1

    公开(公告)日：2010-11-25

    申请号：US12783175

    申请日：2010-05-19

    申请人： Takeharu Okuno

    发明人： Takeharu Okuno

    IPC分类号： G02B13/18

    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 SYSTEM
    6.
    发明申请
    OPTICAL ELEMENT AND OPTICAL SYSTEM 有权
    光学元件和光学系统

    公开(公告)号：US20100053760A1

    公开(公告)日：2010-03-04

    申请号：US12548754

    申请日：2009-08-27

    申请人： Kazue Uchida ,  Takeharu Okuno ,  Daisuke Sano

    发明人： Kazue Uchida ,  Takeharu Okuno ,  Daisuke Sano

    IPC分类号： G02B27/00

    CPC分类号： G02B1/118 ,  G02B1/02 ,  G02B1/115 ,  Y10T428/2457

    摘要： The optical element includes a base member configured to have an optical surface, a concave-convex structure configured to have an average pitch smaller than a shortest wavelength of a use wavelength range, and an intermediate layer formed between the optical surface and the concave-convex structure, made of a material different from that of the concave-convex structure, and having a refractive index between those of the base member and the material of the concave-convex structure. The optical surface is formed into a shape having a rotational symmetry axis. A thickness of the intermediate layer or each of thicknesses of the intermediate layer and the concave-convex structure varies so as to increase as a distance from the rotational symmetry axis increases. The optical element has good anti-reflection performance not only at a central part of the optical surface having a small curvature radius but also at a peripheral part thereof.

    摘要翻译： 光学元件包括：基底构件，其被配置为具有光学表面，凹凸结构被构造成具有比使用波长范围的最短波长小的平均间距，以及形成在光学表面和凹凸面之间的中间层 结构，由与凹凸结构的材料不同的材料制成，并且具有基底构件和凹凸结构的材料之间的折射率。 光学表面形成具有旋转对称轴的形状。 中间层的厚度或中间层和凹凸结构的厚度各自随着与旋转对称轴的距离增加而增加。 光学元件不仅在具有小曲率半径的光学表面的中心部分处，而且在其周边部分具有良好的抗反射性能。

    OPTICAL ELEMENT AND OPTICAL SYSTEM
    9.
    发明申请
    OPTICAL ELEMENT AND OPTICAL SYSTEM 审中-公开
    光学元件和光学系统

    公开(公告)号：US20120262794A1

    公开(公告)日：2012-10-18

    申请号：US13529942

    申请日：2012-06-21

    申请人： Kazue Uchida ,  Takeharu Okuno ,  Daisuke Sano

    发明人： Kazue Uchida ,  Takeharu Okuno ,  Daisuke Sano

    IPC分类号： G02B5/00

    CPC分类号： G02B1/118 ,  G02B1/02 ,  G02B1/115 ,  Y10T428/2457

    摘要： The optical element includes a base member configured to have an optical surface, a concave-convex structure configured to have an average pitch smaller than a shortest wavelength of a use wavelength range, and an intermediate layer formed between the optical surface and the concave-convex structure, made of a material different from that of the concave-convex structure, and having a refractive index between those of the base member and the material of the concave-convex structure. The optical surface is formed into a shape having a rotational symmetry axis. A thickness of the intermediate layer or each of thicknesses of the intermediate layer and the concave-convex structure varies so as to increase as a distance from the rotational symmetry axis increases. The optical element has good anti-reflection performance not only at a central part of the optical surface having a small curvature radius but also at a peripheral part thereof.

    摘要翻译： 光学元件包括：基底构件，其被配置为具有光学表面，凹凸结构被构造成具有比使用波长范围的最短波长小的平均间距，以及形成在光学表面和凹凸面之间的中间层 结构，由与凹凸结构的材料不同的材料制成，并且具有基底构件和凹凸结构的材料之间的折射率。 光学表面形成具有旋转对称轴的形状。 中间层的厚度或中间层和凹凸结构的厚度各自随着与旋转对称轴的距离增加而增加。 光学元件不仅在具有小曲率半径的光学表面的中心部分处，而且在其周边部分具有良好的抗反射性能。