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30 条记录 (耗时 0.019 秒)

    Polytopic multiplex holography
    3.
    发明申请
    Polytopic multiplex holography 有权
    多面体多普勒全息术

    公开(公告)号：US20040179251A1

    公开(公告)日：2004-09-16

    申请号：US10680780

    申请日：2003-10-06

    发明人： Kenneth E. Anderson ,  Kevin R. Curtis

    IPC分类号： G03H001/02

    CPC分类号： G11B7/00772 ,  G03H1/0248 ,  G03H1/202 ,  G03H1/2645 ,  G03H1/265 ,  G03H2001/2207 ,  G03H2001/2255 ,  G03H2223/21 ,  G03H2223/54 ,  G03H2223/55 ,  G11B7/0065 ,  G11B7/083

    摘要： Disclosed is a multiplexing method and apparatus that allows holograms to be spatially multiplexed with partial spatial overlap between neighboring stacks of holograms. Each individual stack can additionally take full advantage of an alternate multiplexing scheme such as angle, wavelength, phase code, peristrophic, or fractal multiplexing, for example. An amount equal to the beam waist of the signal beam writing a hologram separates individual stacks of holograms. Upon reconstruction, a hologram and its neighbors will all be readout simultaneously. An filter is placed at the beam waist of the reconstructed data such that the neighbors that are read out are not transmitted to the camera plane. Alternatively, these unwanted reconstructions can be filtered out with an angular filter at an intermediate plane in the optical system that has a limited angular passband.

    摘要翻译： 公开了一种复用方法和装置，其允许全息图与相邻的全息图堆叠之间的部分空间重叠进行空间复用。 每个单独的堆叠可以另外充分利用诸如角度，波长，相位代码，蠕动状态或分形多路复用的替代多路复用方案。 相当于写入全息图的信号光束的光束腰部的量分离各个全息图。 一旦重建，全息图及其邻居将全部被同时读出。 将滤波器放置在重构数据的波束腰部，使得读出的邻居不发送到相机平面。 或者，这些不需要的重建可以在具有有限角度通带的光学系统中的中间平面处用角度滤波器滤除。

    Method and an apparatus for generating a phase-modulated wave front of electromagnetic radiation
    4.
    发明申请
    Method and an apparatus for generating a phase-modulated wave front of electromagnetic radiation 失效
    用于产生电磁辐射的相位调制波前的方法和装置

    公开(公告)号：US20020122254A1

    公开(公告)日：2002-09-05

    申请号：US10021562

    申请日：2001-12-19

    发明人： Jesper Gluckstad

    IPC分类号： G02B027/46 ,  G02F001/01

    CPC分类号： G06E3/005 ,  G02B27/46 ,  G03H1/0808 ,  G03H2001/085 ,  G03H2210/12 ,  G03H2223/54 ,  G03H2225/31 ,  G03H2240/12

    摘要： The present invention provides a method and a system for generating a phase-modulated wave front. According to the present invention, the spatial phase-modulation is not performed on the different parts of the wave front individually as in known POSLMs. Rather, the spatial phase-modulation of the present invention is performed by generating an amplitude modulation in the wave front, Fourier or Fresnel transforming the amplitude modulated wave front, filtering Fourier or Fresnel components of the Fourier or Fresnel distribution with a spatial filter such as a phase contrast filter, and regenerating the wave front whereby the initial amplitude modulation has transformed into a phase-modulation.

    摘要翻译： 本发明提供了一种用于产生相位调制波前的方法和系统。 根据本发明，不像在已知的POSLM中那样单独地对波阵面的不同部分进行空间相位调制。 相反，本发明的空间相位调制通过在波前产生幅度调制，傅立叶或菲涅尔来转换幅度调制波阵面，用傅立叶或菲涅尔分布的傅立叶或菲涅尔分量滤波，例如 相位滤波器，并且再生波前，由此初始幅度调制已经变换为相位调制。

    Aberration correction method and aberration correction apparatus
    5.
    发明授权
    Aberration correction method and aberration correction apparatus 失效
    畸变校正方法和像差校正装置

    公开(公告)号：US5426521A

    公开(公告)日：1995-06-20

    申请号：US995507

    申请日：1992-12-22

    申请人： Jun Chen ,  Guanming Lai ,  Kazuo Ishizuka ,  Akira Tonomura

    发明人： Jun Chen ,  Guanming Lai ,  Kazuo Ishizuka ,  Akira Tonomura

    IPC分类号： G02B27/00 ,  G02B27/46 ,  G02F1/13 ,  G02F1/139 ,  G03H1/00 ,  G03H1/22 ,  G03H5/00 ,  G03H1/08 ,  G03H1/16

    CPC分类号： G02B27/0025 ,  G02B27/46 ,  G03H1/2205 ,  G02F1/1393 ,  G02F2203/18 ,  G03H1/0005 ,  G03H1/2294 ,  G03H2001/2207 ,  G03H2223/54 ,  G03H2223/55 ,  G03H2225/32

    摘要： A method of and apparatus for efficiently correcting an aberration of an optical system used to record a hologram at the stage of reconstructing an image of the hologram. At the stage of reconstructing an image of a hologram (3), which contains the record of interference fringes formed by a reference plane wave and an object wave modulated by a sample, by applying a plane wave for reconstruction to the hologram (3) from a laser (1), an aberration of an optical system used to record the hologram (3) is canceled by the phase distribution on a liquid crystal panel (6) having a spatial phase modulation function, which is disposed on the Fourier transform plane, thereby correcting the aberration. The phase distribution on the liquid crystal panel (6) can be changed flexibly by a computer (9) in accordance with the aberration coefficients or degree of defocusing of the recording optical system.

    摘要翻译： 一种用于在重建全息图像的阶段有效地校正用于记录全息图的光学系统的像差的方法和装置。 在重建包含由参考平面波形成的干涉条纹和由样本调制的物体波的记录的全息图（3）的阶段，通过将重构的平面波应用于全息图（3）从 激光器（1）中，用于记录全息图（3）的光学系统的像差被设置在傅立叶变换平面上的具有空间相位调制函数的液晶面板（6）上的相位分布所抵消， 从而校正像差。 可以通过计算机（9）根据记录光学系统的像差系数或散焦程度灵活地改变液晶面板（6）上的相位分布。

    Optical vortex 3D displays
    7.
    发明授权
    Optical vortex 3D displays 有权

    公开(公告)号：US09615068B2

    公开(公告)日：2017-04-04

    申请号：US14155469

    申请日：2014-01-15

    申请人： DISNEY ENTERPRISES, INC.

    发明人： Quinn Y. Smithwick

    IPC分类号： G03B21/00 ,  G03H1/08 ,  G03H1/22 ,  H04N9/31 ,  G03H1/26 ,  H04N13/04

    CPC分类号： H04N9/3132 ,  G03B21/005 ,  G03H1/0808 ,  G03H1/2205 ,  G03H1/2294 ,  G03H1/2645 ,  G03H2001/261 ,  G03H2210/33 ,  G03H2223/54 ,  H04N13/363 ,  H04N13/388

    摘要： A method for generating three dimensional (3D) displays. The method includes displaying a hologram that combines three (or more) images encoded into three (or more) different OAM channels, and the method also includes reflecting light from the displayed hologram to create a multichannel light beam. Then, the method involves decoding the multichannel light beam to decode and display the three encoded images. The decoding step includes displaying the three encoded images in decoded form in three view zones, three focal planes, or on three spaced-apart planes. The decoding is performed by a single decoding screen using holograms used for generating the three encoded images or is performed by three decoding screens configured based on a differing one of the holograms used for generating the three encoded images. The displaying of the hologram step includes operating a spatial light modulator (SLM) to display the hologram on a screen of the SLM.

    PROJECTION TYPE IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD
    9.
    发明申请
    PROJECTION TYPE IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD 有权
    投影型图像显示装置和图像显示方法

    公开(公告)号：US20120044553A1

    公开(公告)日：2012-02-23

    申请号：US12857720

    申请日：2010-08-17

    申请人： Makio KURASHIGE

    发明人： Makio KURASHIGE

    IPC分类号： G02B27/48 ,  G02B5/32

    CPC分类号： G02B5/32 ,  G02B26/0833 ,  G02B27/48 ,  G03H1/2205 ,  G03H2001/0439 ,  G03H2001/2255 ,  G03H2001/2284 ,  G03H2223/54 ,  G03H2225/31 ,  G03H2227/03 ,  H04N9/3161

    摘要： Coherent light from laser 210 is magnified, made into a parallel light flux LL and irradiated on the hologram recording medium 220 in which a hologram image of a scatter plate is recorded. A hologram reproduction real image 235 of the scatter plate is generated using the parallel light flux LL as illumination light for reproduction. The spatial light modulator 240 consisting of a liquid crystal display, etc., is disposed so as to overlap on the position of the hologram reproduction real image 235, and a modulated image is obtained on the surface of the reproduction real image 235 of the scatter plate. The modulated image is projected onto the screen 260 by the projection optical system 250. The distribution angle of incident light θ incident into one point Q1 on the screen 260 is made into 0.4 degrees or more, the hologram recording medium 220 is caused to cyclically make a motion in the XY-plane by a motor 225, and the linear speed of light scanning on the screen 260 is made into 200 mm or more per second.

    摘要翻译： 来自激光器210的相干光被放大，制成平行光束LL并照射在全息图记录介质220上，其中记录散射板的全息图。 使用平行光束LL作为用于再现的照明光来生成散射板的全息图再现实际图像235。 由液晶显示器等组成的空间光调制器240被布置成在全息图再现实像235的位置上重叠，并且在散射的再现真实图像235的表面上获得调制图像 盘子。 调制图像由投影光学系统250投影到屏幕260上。入射光和视角的分布角; 使屏幕260上的一点Q1入射到0.4度以上，使全息图记录介质220通过电动机225循环地在XY平面中进行运动，并且在屏幕260上扫描的线速度 被制成200mm或更多的每秒。

    Polytopic multiplex holography
    10.
    发明授权
    Polytopic multiplex holography 有权
    多面体多普勒全息术

    公开(公告)号：US07092133B2

    公开(公告)日：2006-08-15

    申请号：US10680780

    申请日：2003-10-06

    申请人： Kenneth E. Anderson ,  Kevin R. Curtis

    发明人： Kenneth E. Anderson ,  Kevin R. Curtis

    IPC分类号： G03H1/30

    CPC分类号： G11B7/00772 ,  G03H1/0248 ,  G03H1/202 ,  G03H1/2645 ,  G03H1/265 ,  G03H2001/2207 ,  G03H2001/2255 ,  G03H2223/21 ,  G03H2223/54 ,  G03H2223/55 ,  G11B7/0065 ,  G11B7/083

    摘要： Disclosed is a multiplexing method and apparatus that allows holograms to be spatially multiplexed with partial spatial overlap between neighboring stacks of holograms. Each individual stack can additionally take full advantage of an alternate multiplexing scheme such as angle, wavelength, phase code, peristrophic, or fractal multiplexing, for example. An amount equal to the beam waist of the signal beam writing a hologram separates individual stacks of holograms. Upon reconstruction, a hologram and its neighbors will all be readout simultaneously. An filter is placed at the beam waist of the reconstructed data such that the neighbors that are read out are not transmitted to the camera plane. Alternatively, these unwanted reconstructions can be filtered out with an angular filter at an intermediate plane in the optical system that has a limited angular passband.

    摘要翻译： 公开了一种复用方法和装置，其允许全息图与相邻的全息图堆叠之间的部分空间重叠进行空间复用。 每个单独的堆叠可以另外充分利用诸如角度，波长，相位代码，蠕动状态或分形多路复用的替代多路复用方案。 相当于写入全息图的信号光束的光束腰部的量分离各个全息图。 一旦重建，全息图及其邻居将全部被同时读出。 将滤波器放置在重构数据的波束腰部，使得读出的邻居不发送到相机平面。 或者，这些不需要的重建可以在具有有限角度通带的光学系统中的中间平面处用角度滤波器滤除。