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    • 1. 发明授权
    • Phase conjugate reconstruction of a hologram
    • 全息图的相位共轭重建
    • US07548358B2
    • 2009-06-16
    • US11440447
    • 2006-05-25
    • Brian RileyKen E. AndersonKevin R. Curtis
    • Brian RileyKen E. AndersonKevin R. Curtis
    • G03H1/12G03H1/26G03H1/22
    • G11B7/0065G03H1/22G03H2222/56
    • Methods and systems are provided for obtaining a phase conjugate reconstruction beam for use in retrieving holographic information from a holographic storage medium. These methods and systems include generating a coherent light beam that is a reproduction of the reference beam used in storing the holographic information in the storage medium. This coherent light beam is then directed through the holographic storage medium at the same angle and location of the reference beam during recording of the hologram. The directed coherent beam is then reflected back through the storage medium so that the reflected coherent light beam provides a phase conjugate of the reference beam and passes through the storage medium at the same angle and location that the reference beam passed through the storage medium during recordation of the hologram.
    • 提供了用于获得用于从全息存储介质检索全息信息的相位共轭重建光束的方法和系统。 这些方法和系统包括产生相干光束,其是用于将全息信息存储在存储介质中的参考光束的再现。 然后在记录全息图期间,该相干光束以参考光束的相同角度和位置被引导通过全息存储介质。 然后将定向相干光束通过存储介质反射回,使得反射的相干光束提供参考光束的相位共轭,并以与参考光束在记录期间通过存储介质相同的角度和位置通过存储介质 的全息图。