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    • 3. 发明公开
    • Optical information processing apparatus and optical information processing method
    • 光学信息处理装置和光学信息处理方法
    • EP1921614A2
    • 2008-05-14
    • EP07005401.0
    • 2007-03-15
    • Daewoo Electronics Corporation
    • Kwon, Yun-YoungKim, Kun-Yul
    • G11B7/0065
    • G11B7/0065G11B7/083
    • Provided are optical information processing apparatus and method. In the optical information processing apparatus and method, when the recording regions in which optical information is recorded in an angular multiplexing scheme overlap with each other, a recording angle and a recording position for optical information is adjusted so as to improve reproducing efficiency of readout beams reproduced from the overlap recording regions, so that heights of "null" for diffraction energy reproduced from the recording regions and overlap recording regions can be lowered. Accordingly, it is possible to reduce crosstalk noise during the recording and producing of the optical information and to improve optical information recording quality and reproducing efficiency
    • 提供了光学信息处理设备和方法。 在光学信息处理设备和方法中,当以角度复用方案记录光学信息的记录区域彼此重叠时,调整光学信息的记录角度和记录位置以便提高读出光束的再现效率 从重叠记录区域再现,使得从记录区域和重叠记录区域再现的衍射能量的“零”高度可以降低。 因此,可以减少光信息的记录和生成期间的串扰噪声,并且改善光信息记录质量和再现效率
    • 9. 发明公开
    • Processing apparatus, recording and reproducing methods for holographic optical data
    • Vorrichtung,Aufzeichnungsverfahren und Wiedergabeverfahrenfürholografisch optische Daten
    • EP1865503A2
    • 2007-12-12
    • EP06014931.7
    • 2006-07-18
    • Daewoo Electronics Corporation
    • Kim, Kun-Yul
    • G11B7/0065G03H1/04
    • G03H1/26G03H1/16G03H1/265G03H2001/0415G03H2001/2231G03H2222/56G11B7/0065G11B7/00772G11B7/08564G11B7/128G11B7/1356G11B7/1369
    • An optical information processing apparatus includes: a light source; a reference beam guiding optical system guiding a reproducing reference beam emitted from the light source to an optical information storage medium in which optical information is recorded at multiplexing angles; a signal beam guiding optical system guiding a reproduced signal beam, which is reproduced from the optical information storage medium in the coaxial line with the reproducing reference beam and in the opposite direction of the traveling direction of the reproducing reference beam and is a phase-conjugation wave of a recording signal beam used at the time of recording the optical information; and an optical information detector detecting the reproduced signal beam guided by the signal beam guiding optical system. Accordingly, it is possible to reduce the manufacturing cost, to enhance the multiplexing density of optical information, and to simplify and miniaturize the entire optical information processing apparatus.
    • 光信息处理设备包括:光源; 将从光源发射的再现参考光束引导到光信息存储介质的参考光束引导光学系统,其中以多路复用角度记录光信息; 信号光束引导光学系统,其引导从再现参考光束的同轴线中的光学信息存储介质再现的与再现参考光束的行进方向相反方向再现的再现信号光束,并且是相位共轭 在记录光学信息时使用的记录信号光的波; 以及检测由信号光束引导光学系统引导的再现信号光束的光学信息检测器。 因此,可以降低制造成本,提高光信息的复用密度,并且能够简化和小型化整个光信息处理装置。
    • 10. 发明公开
    • Optical information reproducing apparatus and optical information recording apparatus using holography
    • OptischesInformationswiedergabegerätund optischesInformationsaufzeichnungsgerätunter Verwendung von Holografie
    • EP1850336A2
    • 2007-10-31
    • EP06014932.5
    • 2006-07-18
    • Daewoo Electronics Corporation
    • Jung, Kyu-ilMoon, Jin-BaeKim, Kun-Yul
    • G11B7/0065G11B7/09G11B7/135
    • G11B7/0065G11B7/005G11B7/083G11B7/1378
    • An optical information reproducing apparatus using holography is provided. The holographic optical information reproducing apparatus includes an objective lens (160) irradiating a reference beam to a predetermined position on a recording medium (200) and receiving a reproducing beam reproduced from the recording medium, an optical information detector (170) detecting the reproducing beam passing through the objective lens, a driving unit (196) changing a distance between the optical information detector (170) and the objective lens (160) and an image adjusting unit (180) adjusting magnification and a focus between an output image resulting from the reproducing beam passing through the objective lens and a detected image detected by the optical information detector with a variation in distance between the optical information detector and the objective lens.
    • 提供了一种使用全息术的光学信息再现装置。 全息光信息重放装置包括将参考光束照射到记录介质上的预定位置并接收从记录介质再现的再现光束的物镜(160),检测再现光束的光信息检测器(170) 通过物镜,改变光学信息检测器(170)和物镜(160)之间的距离的驱动单元(196)和调整放大倍数的图像调整单元(180)和由 再现通过物镜的光束和由光学信息检测器检测到的检测图像,其具有光学信息检测器和物镜之间的距离的变化。