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    • 31. 发明授权
    • Hologram reconstruction method and device
    • 全息重建方法及装置
    • US07262892B1
    • 2007-08-28
    • US11633058
    • 2006-12-04
    • Shin YasudaJiro MinabeKatsunori KawanoYasuhiro OgasawaraKoichi HagaKazuhiro HayashiHisae YoshizawaMakoto Furuki
    • Shin YasudaJiro MinabeKatsunori KawanoYasuhiro OgasawaraKoichi HagaKazuhiro HayashiHisae YoshizawaMakoto Furuki
    • G03H1/16
    • G11B7/0065G03H1/16G03H2223/12
    • There is provided a hologram reconstruction method including: onto an optical recording medium in which a hologram is recorded by simultaneously irradiating the Fourier transformed signal beam representing a digital data with a bright and dark image and removing a DC component and the Fourier transformed reference beam thereon, irradiating a first reference beam for reading out that is the same as the reference beam to generate a first diffracted light generated by the recorded hologram, and synthesizing a DC component of a predetermined phase with the generated first diffracted light to generate a first synthesized light; detecting an inverse Fourier transformed image of the first synthesized light to obtain first image data; irradiating a second reference beam for reading out that differs from the reference beam onto the hologram recorded on the optical recording medium to generate a second diffracted light from the recorded hologram, and synthesizing a DC component of a predetermined phase with the generated second diffracted light to generate a second synthesized light; detecting an inverse Fourier transformed image of the second synthesized light to obtain second image data; subtracting one of the first image data and the second image data from the other at each pixel of the light and dark image; and decoding the digital data based on the value obtained by subtraction.
    • 提供了一种全息图重建方法,包括:在其上记录全息图的光记录介质上,同时照射表示具有明暗图像的数字数据的傅立叶变换信号光束,并且在其上去除直流分量和傅立叶变换参考光束 照射与参考光束相同的第一参考光束,以产生由所记录的全息图产生的第一衍射光,并将预定相位的直流分量与产生的第一衍射光合成,以产生第一合成光 ; 检测所述第一合成光的傅里叶逆变换图像以获得第一图像数据; 将不同于参考光束的第二参考光束照射到记录在光学记录介质上的全息图上,以从记录的全息图产生第二衍射光,并将预定相位的直流分量与产生的第二衍射光合成 产生第二合成光; 检测所述第二合成光的傅里叶逆变换图像以获得第二图像数据; 在光和暗图像的每个像素处从另一个减去第一图像数据和第二图像数据中的一个; 并基于通过减法获得的值对数字数据进行解码。
    • 36. 发明申请
    • MICROSCOPE ILLUMINATION OPTICAL SYSTEM
    • 显微照明光学系统
    • US20050088733A1
    • 2005-04-28
    • US10988610
    • 2004-11-16
    • Kenichi KusakaKazuhiro Hayashi
    • Kenichi KusakaKazuhiro Hayashi
    • G02B19/00G02B21/02G02B21/06G02B21/08
    • G02B21/06
    • An illumination optical system for a microscope is provided wherein the illumination state can be successively changed between Koehler illumination and critical illumination while ensuring one or more conditions are satisfied so that the image of the light source illuminates an appropriately large region of the field of view of the microscope during critical illumination. Preferably, no cemented lens elements are used so that degradation of the cement caused by ultraviolet light sources is avoided, thereby enabling an appropriate illumination type to be provided at will and without degradation of the optical components of the illumination optical system over time.
    • 提供了一种用于显微镜的照明光学系统,其中可以在确保满足一个或多个条件的同时,在Koehler照明和临界照明之间连续地改变照明状态,使得光源的图像照亮适当大的视场范围 显微镜在临界照明期间。 优选地,不使用胶合透镜元件,从而避免了由紫外线光源引起的水泥的劣化,从而能够随时随地提供照明光学系统的光学部件的随意且不劣化的适当的照明类型。