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235 条记录 (耗时 0.019 秒)

    Bicurve lenses
    82.
    发明公开
    Bicurve lenses 失效
    ZweikurvenförmigeLinsen。

    公开(公告)号：EP0198676A2

    公开(公告)日：1986-10-22

    申请号：EP86302679.5

    申请日：1986-04-10

    申请人： Moreno Gil, Oscar

    发明人： Moreno Gil, Oscar

    IPC分类号： G02B3/02

    CPC分类号： G02B5/00 ,  G02B3/02

    摘要： At least one surface of a lens has a double curve with a surface discontinuity ar the optical axis. A number of combinations of surfaces are possible such as the bicurve-convexo lens of Figure 1 a. Bicurve lenses may be used to provide a greater light capture and depth of field than conventional lenses with reduced sperical aberration. Because an annular focus is produced, bicurve lenses may be used with a diaphragm which exands radially from the optical axis to stop the lens, this arrangement being more compactthan conventional aperture adjusting devices.

    摘要翻译： 透镜的至少一个表面具有具有光轴的表面不连续性的双曲线。 表面的多种组合是可能的，例如图1a的双凸起凸透镜。 Bicurve透镜可以用于提供比具有减少的精细像差的常规透镜更大的光捕获和景深。 由于产生了环形焦点，所以可以使用双向透镜与从光轴径向延伸的光阑来停止透镜，这种布置比传统的光圈调节装置更紧凑。

    COMPOSITE LENS AND MANUFACTURING METHOD THEREFOR, AND INFRARED DETECTOR
    85.
    发明公开
    COMPOSITE LENS AND MANUFACTURING METHOD THEREFOR, AND INFRARED DETECTOR 审中-公开

    公开(公告)号：EP4224221A1

    公开(公告)日：2023-08-09

    申请号：EP20956048.1

    申请日：2020-11-30

    申请人： YANTAI RAYTRON TECHNOLOGY CO., LTD

    发明人： WANG, Peng ,  YU, Chuanqing

    IPC分类号： G02B3/02 ,  G02B13/18

    摘要： A composite lens and a manufacturing method, and an infrared detector. The composite lens comprises a substrate (2); a lens (3) located on the first surface of the substrate (2); and a first metasurface structure array (1) that is provided on the second surface of the substrate (2) according to the surface type machining error of the lens (3), the first metasurface structure array (1) comprising a plurality of metasurface structure units. The first surface is opposite to the second surface. Because the lens (3) and the first metasurface structure array (1) are located on two different surfaces of the substrate (2), after the lens (3) is manufactured, the first metasurface structure array (1) can be set according to the surface type of the lens (3), so as to correct an aberration that is generated due to a surface type error when the lens (3) is machined; moreover, because the first metasurface structure array (1) can be set after the lens (3) is manufactured, the tolerance to a machining error is extremely high.

    METHOD FOR MANUFACTURING OPTICAL MULTIPLEXER AND OPTICAL MULTIPLEXER
    86.
    发明公开
    METHOD FOR MANUFACTURING OPTICAL MULTIPLEXER AND OPTICAL MULTIPLEXER 审中-公开

    公开(公告)号：EP3982166A1

    公开(公告)日：2022-04-13

    申请号：EP19748642.6

    申请日：2019-07-19

    申请人： MPNICS Co., Ltd.

    发明人： KANG, Sang Do ,  OH, Seung Keun ,  KANG, Hyun Jong ,  RYU, Chang Hoon

    IPC分类号： G02B3/00 ,  G02B3/02

    摘要： The present invention relates generally to a method of manufacturing an optical multiplexer. More particularly, the present invention relates to a method of manufacturing an optical multiplexer, whereby one molded product is formed by using a mold and vertically cut in a row direction, thus efficiently manufacturing multiple optical multiplexers, with a microlens array and an optical block being integrated together. Therefore, the present invention can increase product productivity and realize a size reduction of a product.

    OPTICAL SYSTEM, IMAGING DEVICE COMPRISING SAME, AND IMAGING SYSTEM
    88.
    发明公开
    OPTICAL SYSTEM, IMAGING DEVICE COMPRISING SAME, AND IMAGING SYSTEM 审中-公开

    公开(公告)号：EP3812821A1

    公开(公告)日：2021-04-28

    申请号：EP19815189.6

    申请日：2019-05-31

    申请人： CANON KABUSHIKI KAISHA

    发明人： KUDO Genichiro ,  KANO Hiroto ,  KIMURA Kazumi ,  YOSHIDA Hiroki

    IPC分类号： G02B17/00 ,  G01N21/47 ,  G01N21/88 ,  G02B3/02 ,  G02B5/18 ,  G02B13/08 ,  G02B27/42 ,  H04N5/225

    摘要： An optical system 10 includes a front group 11, a light-shielding member 4, and a rear group 12 that are arranged in this order in a direction from a side of an object toward a side of an image. The light-shielding member 4 has an opening elongated in a first direction. The front group 11 has an aspherical surface 3, does not image the object at the opening in a first section parallel to the first direction, and forms an intermediate image of the object at the opening in a second section perpendicular to the first direction. The rear group 12 has a diffractive surface 5 that splits a light beam that passes through the opening into light beams at different wavelengths in the second section and focuses the light beams on different locations in the second section. The curvature radius of the aspherical surface 3 in the second section at an on-axis position in the first direction differs from that at an outermost off-axis position in the first direction.

    VORRICHTUNG ZUR LICHTEMISSION
    89.
    发明公开
    VORRICHTUNG ZUR LICHTEMISSION 审中-公开

    公开(公告)号：EP3693767A1

    公开(公告)日：2020-08-12

    申请号：EP19155464.1

    申请日：2019-02-05

    申请人： Fisba AG

    发明人： Moser, Hansruedi ,  Wüst, Pascal ,  Forrer, Martin

    IPC分类号： G02B3/00 ,  G02B3/02 ,  G02B3/06 ,  G02B19/00

    摘要： Die Erfindung betrifft eine Vorrichtung (1) zur Lichtemission, eine Strahlkollimationslinse (3) und ein Verfahren zum Herstellen einer Strahlkollimationslinse (3). Die Vorrichtung (1) umfasst mindestens eine Laserlichtquelle (2) sowie eine Strahlkollimationslinse (3), insbesondere zur Fast-Axis Kollimation, wobei die Strahlkollimationslinse (3) mindestens ein bikonvexes Kollimationselement (4) umfasst und aus Quarzglas gefertigt ist, bevorzugt in einem faserziehverfahren. Die Laserlichtquelle (2) emittiert sichtbares Laserlicht, insbesondere in einem Wellenlängenbereich von 300-550 nm.