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    • 44. 发明授权
    • Hologram fabrication process and fabricated hologram
    • 全息制作工艺和制作全息图
    • US08227148B2
    • 2012-07-24
    • US12362151
    • 2009-01-29
    • Tsuyoshi YamauchiKenji UedaMasachika Watanabe
    • Tsuyoshi YamauchiKenji UedaMasachika Watanabe
    • G03H1/02
    • G03F7/001G03H1/0011G03H1/0248G03H1/20G03H1/202G03H2001/0016G03H2001/0417G03H2210/55G03H2210/562
    • The invention provides a hologram in which a visually unidentifiable microtext or other micropattern of the order of 10 μm is recorded, and a process for the fabrication of the same. A volume hologram recording material 2 is located on the side of a reflection type volume hologram master 1 onto which copying illumination light 11 is incident, and the copying illumination light 11 incident onto the recording material 2 and light 12 diffracted through the master 1 interfere together in the volume hologram recording material 2 thereby copying the reflection type volume hologram master. In this case, a reflecting plate 5 having a fine regular reflection pattern 3 is interleaved between the master 1 and the recording material 2, and the copying illumination light 11 incident onto the recording material 2 and regularly reflected light 32 from the reflecting plate having the regular reflection pattern 3 interfere together in the recording material 2 thereby allowing the regular reflection pattern 3 to be multi-recorded in a hologram having the reflection type volume hologram master 1 copied in it.
    • 本发明提供了一种全息图,其中记录了视觉上不可识别的微型文本或其他微阵列的大小为10μm的全息图及其制造方法。 体积全息图记录材料2位于复制照明光11入射的反射型体积全息图主体1的一侧,入射到记录材料2上的复制照明光11和通过主体1衍射的光12干涉在一起 在体积全息图记录材料2中,由此复制反射型体积全息图母版。 在这种情况下,具有精细的正反射图案3的反射板5在主体1和记录材料2之间交错,并且复制照明光11入射到记录材料2上并且从具有 正常反射图案3在记录材料2中干涉在一起,从而允许将正反射图案3多次记录在其中复制有反射型体积全息图母版1的全息图中。
    • 50. 发明授权
    • Hologram recording apparatus and hologram reconstruction apparatus
    • 全息记录装置和全息图重建装置
    • US08072660B2
    • 2011-12-06
    • US11684441
    • 2007-03-09
    • Mitsuru ToishiMasaaki Hara
    • Mitsuru ToishiMasaaki Hara
    • G03H1/12
    • G03H1/0011G03H1/12G03H1/16G03H1/28G03H2001/0022G11B7/0065
    • A hologram recording apparatus includes a signal-beam spatial light modulating section, a reference-beam spatial light modulating section, and a control unit. A signal beam pattern generates a signal beam. A reference beam pattern generates a reference beam. The control unit controls the shapes of the two beam patterns. A data-recording signal beam pattern is displayed on the signal-beam spatial light modulating section and a data-recording reference beam pattern is displayed on the reference-beam spatial light modulating section so that a data-recording hologram is formed in a predetermined area of a holographic recording medium. An encryption signal beam pattern for encrypting the data-recording hologram is displayed on the signal-beam spatial light modulating section and an encryption reference beam pattern is displayed on the reference-beam spatial light modulating section so that an encryption hologram is formed in the same area as the predetermined area of the holographic recording medium.
    • 全息记录装置包括信号光束空间光调制部分,参考光束空间光调制部分和控制单元。 信号光束图案产生信号光束。 参考光束图案产生参考光束。 控制单元控制两个光束图案的形状。 在信号光束空间光调制部分上显示数据记录信号光束图案,并且在参考光束空间光调制部分上显示数据记录参考光束图案,使得数据记录全息图形成在预定区域 的全息记录介质。 用于加密数据记录全息图的加密信号波束图案被显示在信号光束空间光调制部分上,并且加密参考波束图案被显示在参考光空间光调制部分上,使得加密全息图形成在其中 区域作为全息记录介质的预定区域。