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    • 10. 发明公开
    • Holographic image display systems
    • 系统zur Anzeige von Hologrammen
    • EP2372472A1
    • 2011-10-05
    • EP11166183.1
    • 2009-07-08
    • Light Blue Optics Ltd.
    • Cable, Adrian James
    • G03H1/22G03H1/08
    • G03H1/2205G03H1/08G03H2001/221G03H2001/2218G03H2001/2271G03H2001/2284G03H2210/11G03H2210/20G03H2210/40G03H2210/441G03H2222/18G03H2222/35G03H2223/12G03H2223/54G03H2225/31G03H2225/32G03H2225/55G03H2225/60G03H2240/56G03H2240/61
    • This invention relates to holographic image display systems. We describe an optical module for a holographic image projection system which displays a hologram (204) of a low spatial frequency portion of input image data on an SLM (SLM1) to form a holographically-generated intermediate real image which is in turn modulated (SLM2) by a higher spatial frequency portion of the image data (206), to display the image. The optical module comprises: at least one laser light source; a first spatial light modulator (SLM1) to modulate light from said at least one laser light source; intermediate optics (L4) to provide an intermediate real image plane at which a real image produced by a hologram on said first SLM is formed; a second SLM (SLM2) located at said intermediate real image plane to intensity modulate said real image; and output optics (L5,L6) to project an image of said intensity modulated real image; and wherein a resolution of said second SLM is greater than a resolution of said first SLM.
    • 本发明涉及全息图像显示系统。 我们描述了一种用于全息图像投影系统的光学模块,其在SLM(SLM1)上显示输入图像数据的低空间频率部分的全息图(204),以形成依次调制的全息产生的中间真实图像(SLM2 )通过图像数据(206)的较高空间频率部分来显示图像。 光学模块包括:至少一个激光光源; 调制来自所述至少一个激光源的光的第一空间光调制器(SLM1); 中间光学器件(L4),以提供形成在所述第一SLM上由全息图产生的真实图像的中间实像平面; 位于所述中间实像平面处的第二SLM(SLM2),以强度调制所述真实图像; 和输出光学器件(L5,L6)投射所述强度调制的真实图像的图像; 并且其中所述第二SLM的分辨率大于所述第一SLM的分辨率。