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    • 2. 发明公开
    • 높은 데이터 밀도의 체적 측정의 홀로그래픽 데이터 저장방법 및 시스템
    • 高数据密度体积全息数据存储方法和系统
    • KR1020060005411A
    • 2006-01-17
    • KR1020057021677
    • 2004-05-14
    • 톰슨 라이센싱
    • 스자르바스,가보르코파,팔돔잔,라즐로에르데이,가보수토,아틸라칼로,피터
    • G11B7/0065G11B7/1374G03H1/26
    • G03H1/26G11B7/0065
    • The object of the invention is a high data density holographic data storage method. The holograms are written into the volumetric data storage layer or layers, and during the writing process the accurate places of holograms in the data carrier structure are determined by the intersection domain of the object and reference beam or beams, and during the reading process the selection of holograms simultaneously illuminated by the reference beam or beams, the read-out of the addressed hologram, and the suppressing of un-addressed holograms are carried out by a spatial filter located confocally with the addressed hologram and/or by the satisfying of the Bragg condition. The optical arrangement for recording and reading out holograms has three dedicated plan in confocal arrangements, where the addressed hologram is in the middle dedicated plane in the storage material (8), and in the two outer dedicated planes there is spatial filter (95) and (304). The optical arrangement is a 12f optical System consisting of three pairs of different objectives: (321, 322 and 323).
    • 本发明的目的是高数据密度全息数据存储方法。 全息图被写入体积数据存储层或层中,并且在写入过程中,数据载体结构中的全息图的精确位置由对象和参考光束或光束的交叉域确定,并且在读取过程中选择 由参考光束或光束同时照明的全息图,寻址的全息图的读出以及未寻址的全息图的抑制由与所寻址的全息图共同定位的空间滤波器和/或通过满足布拉格 条件。 用于记录和读出全息图的光学装置在共焦排列中具有三个专用平面图,其中所寻址的全息图位于存储材料(8)中的中间专用平面中,并且在两个外部专用平面中存在空间滤光器(95)和 (304)。 光学装置是由三对不同目标组成的12f光学系统:(321,322和323)。