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    • 5. 发明授权
    • System and method for bitwise readout holographic ROM
    • 按位读出全息ROM的系统和方法
    • US06825960B2
    • 2004-11-30
    • US10346399
    • 2003-01-15
    • Kevin R. CurtisBrian M. KingWilliam L. Wilson
    • Kevin R. CurtisBrian M. KingWilliam L. Wilson
    • G03H104
    • G03H1/265G03H1/26G11B7/0065G11B7/24038G11B7/26
    • According to one aspect a method for manufacturing a holographic storage medium includes providing one or more data masks with data to be recorded, illuminating the one or more data masks onto the medium with a plane wave object beam from a laser light source operating at a record wavelength, propagating a reference beam at an incident angle to the medium to record the one or more data masks on the medium, and altering the incident angle of the reference beam for each of the one or more data masks, wherein each of the one or more data masks recorded on said medium can be read bit by bit using a laser light source operating in a readout range of wavelengths different from the record wavelength.
    • 根据一个方面,用于制造全息存储介质的方法包括向一个或多个数据掩模提供要被记录的数据,用来自操作在记录上的激光光源的平面波对象光将该一个或多个数据掩模照射到介质上 以介质的入射角传播参考光束,以在介质上记录一个或多个数据掩模,并且改变每个所述一个或多个数据掩模的参考光束的入射角,其中, 可以使用在与记录波长不同的波长的读出范围内工作的激光光源逐点读取在所述介质上记录的更多的数据掩模。
    • 6. 发明授权
    • Process for holographic multiplexing
    • 全息复用方法
    • US06798547B2
    • 2004-09-28
    • US10201357
    • 2002-07-22
    • William L. WilsonMark R. AyresCurt ShumanKevin R. Curtis
    • William L. WilsonMark R. AyresCurt ShumanKevin R. Curtis
    • G03H110
    • G11B7/1362G03H1/26G11B7/0065G11B7/08511
    • A method of recording holograms includes: generating a first signal-beam from a signal-beam source and a first reference beam from a reference-beam source; recording a first hologram in a holographic medium from an interference between the first signal beam and the first reference beam; shifting the reference-beam source after the act of recording the first hologram; generating a second signal beam from the signal-beam source and a second reference beam from the reference-beam source after the act of shifting the reference-beam source following the recording of the first hologram; and recording a second hologram in the holographic medium from an interference between the second signal beam and the second reference beam.
    • 记录全息图的方法包括:从信号束源产生第一信号光束和从参考光束源产生第一参考光束; 从第一信号光束和第一参考光束之间的干涉记录全息图中的第一全息图; 在记录第一全息图的动作之后移动参考光束源; 在记录第一全息图之后移动参考光束源的动作之后,从信号光束源产生第二信号光束和来自参考光束源的第二参考光束; 以及从所述第二信号光束和所述第二参考光束之间的干涉在全息介质中记录第二全息图。
    • 9. 发明授权
    • Stable polar optically nonlinear multilayer films and devices using the
same
    • 稳定极性光学非线性多层膜及使用其的器件
    • US5217792A
    • 1993-06-08
    • US779430
    • 1991-10-17
    • Christopher E. D. ChidseyHoward E. KatzThomas M. PutvinskiGeoffrey R. SchellerMarcia L. SchillingWilliam L. Wilson
    • Christopher E. D. ChidseyHoward E. KatzThomas M. PutvinskiGeoffrey R. SchellerMarcia L. SchillingWilliam L. Wilson
    • G02F1/065G02F1/361
    • B82Y20/00G02F1/065G02F1/3618Y10S428/913Y10T428/24901
    • This invention embodies an optical medium which consists of polar, multi-monomolecular layers of organic dye molecules with a net polar orientation, considerable second order optical nonlinearity, and excellent thermal stability. The medium is prepared by repeated sequential depositions on a surface of multivalent metal ions, e.g. Zr.sup.4+, and organic dyes terminated with an acidic functionality, e.g. a phosphonic acid, followed by activation of the surface for the next deposition sequence. The monolayers are deposited in the form of a multilayer film containing up to 1000 or more monolayers. The monolayers are deposited from liquid solutions; therefore they may be deposited on substrates having diverse topography and configurations. Second harmonic generation (SHG) analysis establishes that the multilayers have uniform polar order which does not decrease with increasing numbers of monolayers in the film. As determined by SHG, the inorganic interlayers impart orientational stability to the dye molecules up to 150.degree. C. and higher. The optical medium is useful in electrooptical or optical parametric devices comprising an optically nonlinear element and means for providing an optical input to and output from said element wherein said element comprises the nonlinear optical medium supported on a suitable base. When said device is employed in an electrooptic mode, it includes means for applying an electric field and/or optical input to said element for altering an optical property thereof.
    • 本发明体现了一种光学介质,其由具有净极性取向的有机染料分子的极性多单分子层,相当大的二阶光学非线性和优异的热稳定性组成。 介质通过在多价金属离子的表面上重复顺序沉积来制备,例如 Zr4 +和用酸性官能团终止的有机染料,例如。 膦酸,然后活化下一个沉积顺序的表面。 单层以多达1000个或更多个单层的多层膜的形式沉积。 单层由液体溶液沉积; 因此它们可以沉积在具有不同形貌和构型的基底上。 二次谐波生成(SHG)分析确定了多层膜具有均匀的极化顺序,随着膜中单层数量的增加,极化次数也不减少。 由SHG确定,无机中间层赋予染料分子高达150℃及更高的取向稳定性。 光学介质可用于包括光学非线性元件的电光学或光学参数设备,以及用于向所述元件提供光输入和从所述元件输出的装置,其中所述元件包括支撑在合适基底上的非线性光学介质。 当所述器件用于电光模式时,其包括用于向所述元件施加电场和/或光学输入以改变其光学性质的装置。