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    • 17. 发明授权
    • Method of making a hologram
    • 制作全息图的方法
    • US5455691A
    • 1995-10-03
    • US232413
    • 1994-04-25
    • Tetsuro KuwayamaYasuo Nakamura
    • Tetsuro KuwayamaYasuo Nakamura
    • G02B5/32G03H1/04G03H1/10
    • G02B5/32Y10S359/90
    • This specification discloses a method of making a hologram imaged substantially without aberrations during the use when the wavelength of a light during the making differs from the wavelength of a light during the use and having high diffraction efficiency. In order to eliminate any aberration occuring when the hologram is used in a light beam of a different wavelength and to obtain high diffraction efficiency, a making light beam is caused to enter a predetermined coaxial optical system from outside the axis thereof to impart a suitable aberration, and a hologram is formed on a hologram sensitive material by the making light beam.
    • 本说明书公开了一种制造在使用期间当光的波长与使用中的光的波长不同时具有高衍射效率的使用期间基本上没有像差的全息图的方法。 为了消除当在不同波长的光束中使用全息图时发生的任何像差并且获得高的衍射效率,使得使光束从轴的外侧进入预定的同轴光学系统以赋予适当的像差 并且通过制造光束在全息图敏感材料上形成全息图。