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    • 2. 发明申请
    • FASTER PROCESSING OF MULTIPLE SPATIALLY-HETERODYNED DIRECT TO DIGITAL HOLOGRAMS
    • 多个空间直接加密到数字HOLOGRAMS的快速处理
    • WO2005003681A3
    • 2005-03-31
    • PCT/US2004012618
    • 2004-04-23
    • UT BATTELLE LLCHANSON GREGORY RBINGHAM PHILIP R
    • HANSON GREGORY RBINGHAM PHILIP R
    • G01B9/021G03H1/04G03H1/08G03H1/28
    • G03H1/0406G03H1/0443G03H1/0866G03H1/265G03H1/28G03H2001/0456G03H2001/046G03H2001/0469G03H2001/2655G03H2222/13G03H2223/16G03H2226/11G03H2226/13
    • Systems and methods are described for faster processing of multiple spatially-heterodyned direct to digital holograms. A method includes of obtaining multiple spatially-heterodyned holograms, includes: digitally recording a first spatially-heterodyned hologram including spatial heterodyne fringes for Fourier analysis; digitally recording a second spatially-heterodyned hologram including spatial heterodyne fringes for Fourier analysis single digital image; Fourier analyzing shifting a first original origin in Fourier space to sit on top of a spatial-heterodyne carrier frequency defined as a first angle between a first reference beam and a first object beam; applying a first digital filter to cut off signals around the first original origin and performing an inverse Fourier transform on the result; shifting a second original origin in Fourier space to sit on top of a spatial-heterodyne carrier frequency defined as a second angle between a second reference beam and a second object beam; and applying a second digital filter to cut off signals around the second original origin and performing an inverse Fourier transform on the result single digital image wherein digitally recording the first spatially-heterodyned hologram is completed before digitally recording the second spatially-heterodyned hologram and a single digital image includes both the first spatially-heterodyned hologram and the second spatially-heterodyned hologram single digital image.
    • 描述了用于更快处理多个空间外差直接数字全息图的系统和方法。 一种包括获得多空间外差全息图的方法,包括:数字记录包括用于傅里叶分析的空间外差条纹的第一空间外差全息图; 数字记录包括用于傅立叶分析的单数字图像的空间外差条纹的第二空间外差全息图; 傅立叶分析将傅立叶空间中的第一原始原点移动到位于被定义为第一参考光束和第一物体光束之间的第一角度的空间外差载波频率的顶部; 施加第一数字滤波器来切断围绕第一原始原点的信号,并对该结果执行逆傅立叶变换; 在傅立叶空间中移动第二原始原点以位于被定义为第二参考光束和第二物体光束之间的第二角度的空间外差载波频率的顶部; 以及应用第二数字滤波器来切断围绕第二原始原点的信号并对结果单数字图像执行逆傅立叶变换,其中数字记录第一空间外差全息图在数字记录第二空间外差全息图之前完成,并且单个 数字图像包括第一空间外差全息图和第二空间外差全息图单数字图像。
    • 3. 发明申请
    • RECORDING MULTIPLE SPATIALLY-HETERODYNED DIRECT TO DIGITAL HOLOGRAMS IN ONE DIGITAL IMAGE
    • 在数字图像中直接与多个数字HOLOGRAMS进行多重空间记录
    • WO2004094942A3
    • 2005-04-14
    • PCT/US2004012798
    • 2004-04-23
    • UT BATTELLE LLCHANSON GREGORY RBINGHAM PHILIP R
    • HANSON GREGORY RBINGHAM PHILIP R
    • G03H1/04G03H1/08G01B9/021G03H1/28
    • G03H1/0406G03H1/0443G03H1/0866G03H1/265G03H2001/0456G03H2001/046G03H2001/0469G03H2001/2655G03H2210/56G03H2222/13G03H2223/26G03H2226/13
    • Systems and methods are described for recording multiple spatially-heterodyned direct to digital holograms in one digital image. A method includes digitally recording, at a first reference beam-object beam angle, a first spatially-heterodyned hologram including spatial heterodyne fringes for Fourier analysis; Fourier analyzing the recorded first spatially-heterodyned hologram by shifting a first original origin of the recorded first spatially-heterodyned hologram to sit on top of a first spatial-heterodyne carrier frequency defined by the first reference beam-object beam angle; digitally recording, at a second reference beam-object beam angle, a second spatially-heterodyned hologram including spatial heterodyne fringes for Fourier analysis; Fourier analyzing the recorded second spatially-heterodyned hologram by shifting a second original origin of the recorded second spatially-heterodyned hologram to sit on top of a second spatial-heterodyne carrier frequency defined by the second reference beam-object beam angle; applying a first digital filter to cut off signals around the first original origin and define a first result; performing a first inverse Fourier transform on the first result; applying a second digital filter to cut off signals around the second original origin and define a second result; and performing a second inverse Fourier transform on the second result, wherein the first reference beam-object beam angle is not equal to the second reference beam-object beam angle and a single digital image includes both the first spatially-heterodyned hologram and the second spatially-heterodyned hologram.
    • 描述了用于在一个数字图像中记录多个空间外差直接数字全息图的系统和方法。 一种方法包括以第一参考光束对象光束角度数字地记录包括用于傅立叶分析的空间外差条纹的第一空间外差全息图; 通过将所记录的第一空间外差全息图的第一原始原点移位以位于由第一参考光束 - 物体光束角定义的第一空间 - 外差载波频率的顶部上,傅里叶分析所记录的第一空间外差全息图; 以第二参考光束 - 物体光束角数字地记录包括用于傅立叶分析的空间外差条纹的第二空间外差全息图; 通过将所记录的第二空间外差全息图的第二原始原点移动到位于由第二参考光束 - 物体光束角度限定的第二空间 - 外差载波频率的顶部上来傅立叶分析所记录的第二空间外差全息图; 应用第一数字滤波器来切断围绕第一原始原点的信号并且定义第一结果; 对所述第一结果执行第一逆傅里叶变换; 施加第二数字滤波器以切断围绕第二原始原点的信号并限定第二结果; 以及对所述第二结果执行第二傅立叶逆变换,其中所述第一参考光束对象光束角度不等于所述第二参考光束对象光束角度,并且单个数字图像包括所述第一空间外差全息图和所述第二空间对象光束角度 - 全息全息图。