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    • 4. 发明申请
    • OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS AND METHOD
    • 光信息记录/再现设备和方法
    • US20100054103A1
    • 2010-03-04
    • US12409865
    • 2009-03-24
    • Shinichi TatsutaMasataka ShiratsuchiHideaki OkanoYuji Kubota
    • Shinichi TatsutaMasataka ShiratsuchiHideaki OkanoYuji Kubota
    • G11B7/00G11B7/135
    • G11B7/00772G03H1/26G03H1/265G11B7/08564G11B7/128G11B7/1362G11B7/1365G11B7/1369
    • An optical information recording/reproducing apparatus includes a spatial light modulator that converts an irradiation beam emitted from a light source to a single information beam that carries information; an optical system that causes the single information beam to be collected on an optical-information recording medium including an information recording layer capable of recording the information as hologram by using interference fringes produced due to interference between the single information beam and a plurality of reference beams, and causes each of the reference beams to be irradiated to the optical-information recording medium from mutually different directions so as to intersect with the single information beam in the information recording layer; and a controller that controls to cause the light source to emit the irradiation beam and performs angular multiplexing recording of the information in the information recording layer while controlling to drive either one of the optical-information recording medium and the optical system.
    • 一种光信息记录/再现装置,包括将从光源发射的照射光束转换为携带信息的单个信息光束的空间光调制器; 一种光学系统,其使得单个信息光束被收集在光学信息记录介质上,该光学信息记录介质包括能够通过使用由单个信息光束与多个参考光束之间的干涉而产生的干涉条纹将信息记录为全息图的信息记录层 并且使得每个参考光束从相互不同的方向照射到光学信息记录介质,以便与信息记录层中的单个信息光束相交; 以及控制器,其控制使光源发射照射光束,并且在控制驱动光信息记录介质和光学系统中的任一个的同时进行信息记录层中的信息的角度复用记录。