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    • 63. 发明授权
    • Sub-diffraction-limited imaging systems and methods
    • 次衍射限制成像系统和方法
    • US08045253B2
    • 2011-10-25
    • US12473402
    • 2009-05-28
    • Jingjing LiPhilip J. Kuekes
    • Jingjing LiPhilip J. Kuekes
    • G02F1/03G02F1/29G02B5/18
    • G02B27/56G01D5/30G02F1/29G02F2202/027G02F2202/20G02F2202/30G02F2202/36
    • Various embodiments of the present invention are directed to systems and methods for obtaining images of objects with higher resolution than the diffraction limit. In one aspect, a method for collecting evanescent waves scattered from an object comprises electronically configuring a reconfigurable device to operate as a grating for one or more lattice periods using a computing device. Propagating waves scattered from the object pass through the reconfigurable device and a portion of evanescent waves scattered from the object are projected into the far field of the object. The method includes detecting propagating waves and detecting the portion of evanescent waves projected into the far field for each lattice period using an imaging system.
    • 本发明的各种实施例涉及用于获得具有比衍射极限更高分辨率的物体的图像的系统和方法。 一方面,一种用于收集从物体散射的ev逝波的方法包括使用计算装置电子地配置可重构装置作为一个或多个晶格周期的光栅。 从物体散射的传播波通过可重构装置,并且从物体散射的一部分ev逝波被投射到物体的远场中。 该方法包括使用成像系统检测传播波并且检测投射到远场中的每个格周期的瞬逝波的部分。
    • 70. 发明申请
    • DYNAMICALLY RECONFIGURABLE HOLOGRAMS FOR GENERATING COLOR HOLOGRAPHIC IMAGES
    • 用于生成彩色全息图像的动态可重构的HOLOGRAMS
    • US20130050409A1
    • 2013-02-28
    • US13264073
    • 2009-04-13
    • Jingjing LiPhilip J. Kuekes
    • Jingjing LiPhilip J. Kuekes
    • G03H1/14H04N15/00G02F1/1335B82Y20/00
    • G03H1/02G03H1/2294G03H2001/0224G03H2001/2271G03H2222/18G03H2225/22G03H2225/32G03H2225/33
    • Various embodiments of the present invention are directed to negative refractive index-based holograms that can be electronically controlled and dynamically reconfigured to generate one or more color three-dimensional holographic images. In one aspect, a hologram comprises a phase-control layer having a plurality of phase modulation elements. The phase-modulation elements are configured with a negative effective refractive index and selectively transmit wavelengths associated with one of three primary color wavelength. The hologram also includes an intensity-control layer including a plurality of intensity-control elements. One or more color three-dimensional images can be produced by electronically addressing the phase-modulation elements and intensity-control elements in order to phase shift and control the intensity of light transmitted through the hologram. A method for generating a color holographic image using the hologram is also provided, as is a system for generating a color holographic image.
    • 本发明的各种实施例涉及基于负折射率的全息图,其可以被电子控制和动态地重新配置以产生一个或多个彩色三维全息图像。 一方面,全息图包括具有多个相位调制元件的相位控制层。 相位调制元件被配置为具有负的有效折射率并选择性地传输与三原色波长之一相关联的波长。 全息图还包括包括多个强度控制元件的强度控制层。 可以通过电子寻址相位调制元件和强度控制元件来产生一个或多个彩色三维图像,以便相移和控制透射通过全息图的光的强度。 还提供了使用全息图产生彩色全息图像的方法,以及用于产生彩色全息图像的系统。