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    • 1. 发明授权
    • Lithograph with one-dimensional trigger mask and method of producing digital holograms in a storage medium
    • 具有一维触发掩模的平版印刷机和在存储介质中产生数字全息图的方法
    • US07413830B2
    • 2008-08-19
    • US10474613
    • 2002-03-28
    • Steffen NoehteChristoph DietrichRobert ThomannMatthias GerspachJörn LeiberStefan Stadler
    • Steffen NoehteChristoph DietrichRobert ThomannMatthias GerspachJörn LeiberStefan Stadler
    • A61N5/00G03F7/20G03H1/08
    • G03F7/704G03H1/08G03H1/0891G03H2001/0478
    • The present invention relates to a method of producing digital holograms in a storage medium, in which the technical problem of writing computer-generated holograms by means of optical lithography as quickly as possible and with little effort with simultaneous accurate control of the timed triggering and the positioning of the write beam is achieved in that a write beam is focused onto the storage medium and moved one-dimensionally relative to the storage medium, in that a scanning beam is focused onto a trigger mask having a plurality of trigger lines and moved one-dimensionally transversely relative to the trigger lines, the movement of the scanning beam being coupled with the movement of the write beam, in that, during the scanning of the trigger lines, a timed trigger signal is generated as a function of the arrangement of the trigger lines, in that, with the aid of the timed trigger signal, the intensity of the write beam on the storage medium is controlled, and in that the hologram is written line by line by introducing radiation energy point by point, the storage medium being displaced transversely with respect to the scanning direction of the lines by a predefined distance to write adjacent lines of the hologram.The technical problem is also solved by a lithograph for producing digital holograms.
    • 本发明涉及一种在存储介质中制造数字全息图的方法,其中通过光学平版印刷来尽可能快地编写计算机产生的全息图的技术问题,同时精确地控制定时触发和 写入光束的定位是通过写入光束聚焦到存储介质上并相对于存储介质一维移动的,因为扫描光束被聚焦到具有多条触发线的触发掩模上, 扫描光束的移动与写入光束的移动相结合,因为在扫描触发线期间,定时触发信号作为触发器的布置的函数产生 因为在定时触发信号的帮助下,控制存储介质上的写入光束的强度,并且在该全息 通过逐点引入辐射能量逐行写入,存储介质相对于线的扫描方向横向移位预定距离以写入全息图的相邻线。 技术问题也通过用于制造数字全息图的平版印刷机来解决。
    • 9. 发明授权
    • Lithograph with moving lens and method of producing digital holograms in a storage medium
    • 具有移动透镜的平版印刷机和在存储介质中产生数字全息图的方法
    • US07123340B2
    • 2006-10-17
    • US10472970
    • 2002-03-28
    • Steffen NoehteChristoph DietrichRobert ThomannStefan StadlerJörn Leiber
    • Steffen NoehteChristoph DietrichRobert ThomannStefan StadlerJörn Leiber
    • G03B27/00G03B27/54G03H1/04
    • G03H1/08G03F7/70383G03H1/0891
    • The invention relates to a lithograph for producing digital holograms in a storage medium (4), having a light source (6, 10) for producing a write beam (12) with a predefined beam cross section, having a writing lens (14) for focusing the write beam (12) onto the storage medium (4) to be written, the writing lens (14) being arranged in a lens holder (16), and having drive means for the two-dimensional movement of the write beam relative to the storage medium. The technical problem of writing computer-generated holograms as quickly as possible and with little effort by means of optical lithography is solved in that a first drive device (18) is provided for moving the lens holder (16) substantially at right angles to the write beam (12) and in that the aperture of the writing lens (14) is smaller than the beam cross section of the write beam (12).The inventon also relates to a method for the lithographic production of a hologram in a storage medium.
    • 本发明涉及一种用于在存储介质(4)中产生数字全息图的平版印刷机,其具有用于产生具有预定束束横截面的写入光束(12)的光源(6,10),该光束横截面具有书写透镜(14) 将写入光束(12)聚焦到待写入的存储介质(4)上,将写入透镜(14)布置在透镜保持器(16)中,并且具有驱动装置,用于写入光束相对于 存储介质。 通过光刻技术尽可能快地以很少的努力来编写计算机生成的全息图的技术问题被解决为:提供第一驱动装置(18),用于与透镜保持器(16)大致垂直于写入 光束(12),并且书写透镜(14)的孔径小于写入光束(12)的光束横截面。 本发明还涉及用于在存储介质中平版印刷全息图的方法。