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    • 4. 发明申请
    • METHOD FOR PREPARING A HOLOGRAM RECORDING MEDIUM
    • 制备霍洛姆记录介质的方法
    • US20140327942A1
    • 2014-11-06
    • US14273997
    • 2014-05-09
    • DAI NIPPON PRINTING CO, LTD.
    • Mitsuru KitamuraHidekazu OkunoMasato Taninaka
    • G03H1/08G03H1/00
    • G03H1/0891B42D25/328B42D2035/20G03H1/0011G03H1/08G03H1/0841G03H2001/0027G03H2001/2273G03H2001/303
    • Two original images to be recorded are prepared as data (S10). A plurality of unit regions, each having an adequate area to record interference fringes of visible light, are defined and positioned on a hologram recording surface (S20). A gradation pattern, with which appearance probabilities of two record attributes gradually change in space, is overlapped onto the recording surface, and to each unit region, one of either record attributes is assigned according to the appearance probabilities of the respective record attributes at each individual position (S30). In each unit region, to which the first record attribute is assigned, the first original image is recorded as an interference fringe pattern, a diffraction grating pattern, or a scattering structure pattern, and in each unit region, to which the second record attribute is assigned, the second original image is recorded as an interference fringe pattern, a diffraction grating pattern, or a scattering structure pattern (S40), and a record pattern is formed on a physical medium (S50).
    • 准备要记录的两个原始图像作为数据(S10)。 定义并定位在全息记录表面上的多个单位区域,每个区域具有足够的面积来记录可见光的干涉条纹(S20)。 将两个记录属性的外观概率在空间中逐渐变化的渐变图案重叠在记录表面上,并且对于每个单元区域,根据每个个体的各个记录属性的外观概率来分配记录属性之一 位置(S30)。 在分配了第一记录属性的每个单位区域中,第一原始图像被记录为干涉条纹图案,衍射光栅图案或散射结构图案,并且在每个单位区域中,第二记录属性为 将第二原始图像记录为干涉条纹图案,衍射光栅图案或散射结构图案(S40),并且在物理介质上形成记录图案(S50)。
    • 5. 发明授权
    • Transmission type optical element and anti-forgery volume hologram
    • 透射型光学元件和防伪体积全息图
    • US08228576B2
    • 2012-07-24
    • US12538533
    • 2009-08-10
    • Makio Kurashige
    • Makio Kurashige
    • G02B5/32G03H1/00
    • G02B5/32B42D25/328G02B27/4272G03H1/0011G03H1/0248G03H1/26G03H2001/0027G03H2001/0415G03H2001/2231G03H2001/2615
    • A transmission type optical element comprising a first hologram having a first surface and a second surfaces and a second hologram having a third surface and a fourth surface. The first surface of the first hologram and the third surface of the second hologram are oppositely arranged. A first light beam having a first wavelength is made to enter the first hologram from the side of the second surface. It is transmitted through the first hologram and exits the first hologram from the side of the first surface. The light beam then enters the second hologram from the side of the third surface. It is diffracted by the second hologram and exits the second hologram from the side of the third surface. The light beam then enters the first hologram from the side of the first surface and is diffracted by the first hologram.
    • 一种透射型光学元件,包括具有第一表面和第二表面的第一全息图和具有第三表面和第四表面的第二全息图。 第一全息图的第一表面和第二全息图的第三表面相对布置。 使具有第一波长的第一光束从第二表面侧进入第一全息图。 它通过第一全息图透射并从第一表面的一侧离开第一全息图。 光束然后从第三表面侧进入第二全息图。 它被第二全息图衍射并从第三表面的一侧离开第二全息图。 然后光束从第一表面的一侧进入第一全息图,并被第一全息图衍射。