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92 条记录 (耗时 0.031 秒)

    COMPUTER GENERATED HOLOGRAM, GENERATION METHOD, AND EXPOSURE APPARATUS
    31.
    发明申请
    COMPUTER GENERATED HOLOGRAM, GENERATION METHOD, AND EXPOSURE APPARATUS 失效
    计算机生成的全息，生成方法和曝光装置

    公开(公告)号：US20100208315A1

    公开(公告)日：2010-08-19

    申请号：US12681895

    申请日：2008-12-08

    申请人： Isao Matsubara

    发明人： Isao Matsubara

    IPC分类号： G03H1/08 ,  G02B5/32

    CPC分类号： G03H1/08 ,  G03F7/70108 ,  G03F7/70566 ,  G03H1/0891 ,  G03H2001/0478 ,  G03H2001/2276 ,  G03H2001/303 ,  G03H2222/31 ,  G03H2223/20 ,  G03H2240/13 ,  G03H2240/15 ,  G03H2240/41 ,  G03H2240/55 ,  G03H2260/51

    摘要： The present invention provides a computer generated hologram which forms a light intensity distribution on a predetermined plane by giving a phase distribution to a wavefront of incident light, the hologram comprising a plurality of anisotropic cells each including an anisotropic medium configured to change a polarization state of the incident light, and a plurality of isotropic cells each including an isotropic medium configured not to change a polarization state of the incident light, wherein a linearly polarized light component, in a first direction, of the incident light forms a first light intensity distribution on the predetermined plane, and a linearly polarized light component, in a second direction perpendicular to the first direction, of the incident light forms a second light intensity distribution different from the first light intensity distribution on the predetermined plane.

    摘要翻译： 本发明提供了一种计算机产生的全息图，其通过给入射光的波前赋予相位分布而在预定平面上形成光强度分布，该全息图包括多个各向异性单元，每个各向异性单元包括各向异性介质，其被配置为改变偏振状态 入射光和多个各向同性电池，每个各向同性电池均包括不改变入射光的偏振状态的各向同性介质，其中入射光的第一方向上的直线偏振光分量在第一方向上形成第一光强度分布 入射光的垂直于第一方向的第二方向上的预定平面和直线偏振光分量形成与预定平面上的第一光强度分布不同的第二光强度分布。

    SECURITY AND SENSING ELEMENTS WITH VOLUME HOLOGRAMS
    32.
    发明申请
    SECURITY AND SENSING ELEMENTS WITH VOLUME HOLOGRAMS 审中-公开
    安全和感觉元素与体积霍尔

    公开(公告)号：US20100208313A1

    公开(公告)日：2010-08-19

    申请号：US12372315

    申请日：2009-02-17

    申请人： Adrian M. Horgan ,  Mark Giles ,  John D. Wiltshire

    发明人： Adrian M. Horgan ,  Mark Giles ,  John D. Wiltshire

    IPC分类号： B44F1/12 ,  G03H1/02 ,  G03H1/26

    CPC分类号： G03H1/0011 ,  G03H1/0005 ,  G03H1/0248 ,  G03H1/0252 ,  G03H2001/0016 ,  G03H2001/0033 ,  G03H2001/0044 ,  G03H2001/186 ,  G03H2001/2615 ,  G03H2222/15 ,  G03H2223/20 ,  G03H2240/55 ,  G03H2250/37 ,  G03H2250/39 ,  G03H2260/16

    摘要： The nature of a volume hologram limits its use in security and sensing applications. Accordingly, a volume hologram segregated into a first and second region recording a first and second image, respectively, and wherein the second region is responsive to stimulus while the first region is protected physically from stimulus is provided. Also provided is a volume hologram with a functional cover disposed thereon to regulate how the volume hologram interacts with the stimulus when in the presence of stimulus. A volume hologram with a removable cover disposed thereon to permit a first recorded image to be viewed, to protect the volume hologram from physical damage, to prevent the volume hologram from interacting with the stimulus, and to be removed, thereby permitting the volume hologram to interact with the stimulus is provided as well. In these ways, the usability of volume holograms in security and sensing applications is increased.

    摘要翻译： 体积全息图的性质限制了其在安全和感测应用中的应用。 因此，体积全息图分别分离成记录第一和第二图像的第一和第二区域，并且其中第二区域响应于刺激，而第一区域被物理地受刺激保护。 还提供了具有设置在其上的功能盖的体积全息图，以调节当存在刺激时体积全息图如何与刺激相互作用。 体积全息图，其上设置有可移除的盖，以允许观看第一记录图像，以保护体积全息图免受物理损伤，以防止体积全息图与刺激相互作用并被去除，从而允许体积全息图 还提供与刺激相互作用。 在这些方面，体积全息图在安全和感测应用中的可用性增加。

    Diffractive, polarization modulating optical devices
    33.
    发明申请
    Diffractive, polarization modulating optical devices 有权
    衍射，偏振光调制光学器件

    公开(公告)号：US20070053028A1

    公开(公告)日：2007-03-08

    申请号：US10586361

    申请日：2005-01-19

    申请人： David Ezra

    发明人： David Ezra

    IPC分类号： G03H1/00

    CPC分类号： G03H1/0272 ,  G02B5/1861 ,  G02B5/3016 ,  G03H1/0011 ,  G03H1/0244 ,  G03H1/0256 ,  G03H2001/0016 ,  G03H2001/184 ,  G03H2001/188 ,  G03H2001/2276 ,  G03H2240/54 ,  G03H2240/55 ,  G03H2250/38 ,  G03H2270/52 ,  G07D7/0032

    摘要： An optical device includes an encoding surface having a micro-relief pattern (22) over at least part thereof designed to produce a predetermined diffracted first image when illuminated in use, and an optically anisotropic layer (26) such as a polymerized liquid crystal provided whereby at least part of the micro-relief pattern (22) induces local orientation of the optically anisotropic layer (26) thereby to impose a predetermined polarization modulation, thereby to produce a predetermined polarization dependent second image when illuminated in use.

    摘要翻译： 一种光学装置包括编码表面，其具有至少部分上的微浮雕图案（22），其被设计成在使用时照射时产生预定的衍射第一图像，以及提供诸如聚合液晶的光学各向异性层（26），由此 微浮雕图案（22）的至少一部分引起光学各向异性层（26）的局部取向，从而施加预定的偏振调制，由此在使用时照亮时产生预定的偏振相关的第二图像。

    Hologram and method of and apparatus for producing the same
    40.
    发明授权
    Hologram and method of and apparatus for producing the same 失效

    公开(公告)号：US06291109B1

    公开(公告)日：2001-09-18

    申请号：US09320195

    申请日：1999-05-26

    申请人： Kazuhiro Suga ,  Atsushi Sekiguchi ,  Kenji Ueda ,  Hiroyuki Nishimura

    发明人： Kazuhiro Suga ,  Atsushi Sekiguchi ,  Kenji Ueda ,  Hiroyuki Nishimura

    IPC分类号： G03H104

    CPC分类号： G03H1/202 ,  G03H1/0248 ,  G03H1/0252 ,  G03H1/0256 ,  G03H1/18 ,  G03H2223/25 ,  G03H2227/04 ,  G03H2240/55 ,  G03H2250/10 ,  G03H2250/12 ,  G03H2250/32

    摘要： A duplicating photosensitive material film is brought into close contact with an ND glass reduced in thickness so as to become flexible or a flexible sheet or an ND glass coated with a cushioning layer through an optical contacting liquid containing a surface active agent. In addition, a spacer is interposed between a hologram original plate and a duplicating photosensitive material, and a space defined by the spacer is filled with an optical contacting liquid, thereby regulating the thickness of the optical contacting liquid layer with the spacer. Therefore, when pressure is applied, the optical contacting liquid is uniformly pressed, so that it can be made uniform and thin in thickness. Accordingly, it is possible to prevent a failure of duplication of a hologram image due to undesirable flow of the optical contacting liquid. In addition, the wettability of the optical contacting liquid improves, so that it is possible to prevent trapping of air and foaming and to make the optical contacting liquid uniform and thin in thickness. Thus, it becomes possible to duplicate a hologram image excellently. In addition, a cushioning layer is provided on the inner side of an AR coated ND glass or on the upper side of a photosensitive material film, and another cushioning layer is provided on the side of an original plate protecting glass which is closer to the optical contacting liquid or on the lower side of the photosensitive material film. With this arrangement, even if dust enters, it can be effectively held inside the cushioning layers. Thus, it is possible to prevent undesirable flow of the optical contacting liquid and lifting of the film due to dust and hence possible to perform duplication effectively without any hindrance. Also disclosed is a hologram producing apparatus which includes mechanisms for feeding and taking up a duplicating photosensitive material film, and a contacting liquid dropping mechanism. The apparatus further includes a mechanism for nipping an excess of contacting liquid dropped, a mechanism for drying the contacting liquid attached to the exposed duplicating photosensitive material film, a mechanism for positioning the film, etc.