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    • 4. 发明申请
    • OPTICAL INFORMATION RECORDING/REPRODUCTION METHOD AND DEVICE
    • 光信息记录/再现方法和装置
    • US20110188368A1
    • 2011-08-04
    • US12996701
    • 2009-03-13
    • Daisuke BaradaKiyonobu TamuraTakashi Fukuda
    • Daisuke BaradaKiyonobu TamuraTakashi Fukuda
    • G11B7/135
    • G11B7/0065G03H2222/31G03H2222/34G11B7/12G11B7/1365G11B7/1369
    • It is possible to provide a new information recording/reproduction method and a device which can realize a small-size large-capacity memory having a characteristic equivalent to or higher than a hologram memory. The optical information recording/reproduction device includes: recording light generator (51) which generates a recording light (55) in a polarization state having two mutually orthogonal polarization components with a phase difference at an arbitrary polarization base; reproduction light generator (61) which generates a reproduction light (65) in a polarization state having only a single polarization component at a arbitrary polarization basis; recording medium (71) in which optical information is recorded by recording light (55) and the recorded optical information is reproduced by reproduction light; and optical information detector (polarimeter 81) which retrieves information light (72) after being applied to recording medium (71) and detects the light as optical information. Provided is also an optical information recording/reproduction method using the device.
    • 可以提供一种新的信息记录/再现方法和可以实现具有等同于或高于全息存储器的特征的小尺寸大容量存储器的装置。 光信息记录/再现装置包括:以具有任意偏振基底的相位差的具有两个相互正交的偏振分量的偏振状态产生记录光(55)的记录光发生器(51) 再现光发生器(61),其以任意偏振为基础产生仅具有单个偏振分量的偏振状态的再现光(65) 通过记录光(55)记录光学信息的记录介质(71),并且通过再现光再现记录的光学信息; 以及在应用于记录介质(71)之后检索信息光(72)并检测光作为光学信息的光学信息检测器(偏振计81)。 还提供了使用该装置的光信息记录/再现方法。