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    • 8. 发明申请
    • Hologram recording material and hologram recording method
    • 全息记录材料和全息记录方法
    • US20060057467A1
    • 2006-03-16
    • US11223200
    • 2005-09-12
    • Hiroo Takizawa
    • Hiroo Takizawa
    • G03H1/04
    • G03F7/001G03F7/26G03H1/02G03H2001/026G03H2001/0264G03H2240/24G03H2240/26G03H2250/38
    • A hologram recording material and a hologram recording method, capable of attaining a high sensitivity, a high diffraction efficiency, a satisfactory storability and a dry processability at the same time and applicable to a high-density optical recording medium, a three-dimensional display, a holographic optical element and the like, are provided. The hologram recording method is characterized in causing a change in an alignment of a compound having a specific birefringence upon holographic exposure and fixing the alignment by a chemical reaction so as to record an unrewritable modulation in refractive index in a unrewritable mode. The hologram recording material is characterized in including a low-molecular liquid crystalline compound having a polymerizable group, a photoreactive compound, and a polymerization initiator, and being of an unrewritable type.
    • 一种全息记录材料和全息记录方法,能够同时获得高灵敏度,高衍射效率,令人满意的存储性和干燥加工性,并适用于高密度光学记录介质,三维显示器, 全息光学元件等。 全息记录方法的特征在于在全息曝光时引起具有特定双折射的化合物的取向改变,并通过化学反应固定取向,以便以不可重写的方式记录折射率的不可调制的调制。 全息记录材料的特征在于包括具有可聚合基团的低分子液晶化合物,光反应性化合物和聚合引发剂,并且是不可重复类型的。