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    • 5. 发明授权
    • Holographic recording medium and recording method
    • 全息记录介质和记录方法
    • US07524589B2
    • 2009-04-28
    • US10965895
    • 2004-10-18
    • Makoto FurukiKatsunori KawanoHiroo Takizawa
    • Makoto FurukiKatsunori KawanoHiroo Takizawa
    • G03H1/02
    • G11C13/045G03H1/02G03H2001/026G03H2001/0264G03H2250/39G03H2260/51G11B7/0065G11B7/2403G11B7/24044G11B7/24056
    • The present invention provides a holographic recording medium comprising: an optical recording layer, which optical recording layer includes one of a polymer compound having photoisomerizable groups in the side chain thereof and a polymer compound in which photoisomerizable molecules are dispersed therein, which recording layer records a hologram by having optical anisotropy induced by irradiation with a writing light having a predetermined wavelength thereon; and an optical filter layer formed on at least one side of the optical recording layer, which optical filter layer allows transmission of the writing light and a reading light having a predetermined wavelength irradiated on the optical recording layer, for reproducing the hologram recorded on the optical recording layer, therethrough and blocks light having a shorter wavelength than the wavelength of the writing light.
    • 本发明提供了一种全息记录介质,包括:光学记录层,该光学记录层包括其侧链中具有光致异构化基团的高分子化合物和其中分散有光致异构化分子的高分子化合物,该记录层记录 通过具有在其上具有预定波长的写入光照射而引起的光学各向异性的全息图; 以及形成在所述光学记录层的至少一侧的光学滤光层,所述光学滤光层允许所述写入光的透射和照射在所述光学记录层上的具有预定波长的读取光,用于再现记录在所述光学记录层上的全息图 记录层,并且阻挡具有比写入光的波长短的波长的光。