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    • 10. 发明授权
    • Holographic display having improved reconstruction quality
    • 具有改善重建质量的全息显示
    • US08358454B2
    • 2013-01-22
    • US12678326
    • 2008-09-15
    • Norbert LeisterGrigory LazarevGerald Futterer
    • Norbert LeisterGrigory LazarevGerald Futterer
    • G02B5/32G03H1/28
    • G03H1/32G03H1/2205G03H1/2294G03H2001/2236G03H2001/2242G03H2001/2292G03H2223/18G03H2223/19G03H2223/20G03H2227/03
    • Disclosed is a display for the holographic reconstruction of a three-dimensional scene using means which allow a reduction of speckle patterns. Speckle patterns result in the graining of a holographic reconstruction and worsen the quality thereof. The 3D scene is incoherently superimposed with itself chronologically or spatially in the eye of the observer. The modulated wave fronts of each reconstructed object point of the scene are shifted relative to themselves in the reconstruction beam path and superimposed in the eye of the observer. The shifting may occur one-dimensionally and two-dimensionally. Each object point is multiplied with itself in the eye of the observer in accordance with the number of the shifted wave fronts. The various speckle patterns over which the eye of the observer averages are also multiplied. Speckle patterns are reduced and the reconstruction quality is thus increased in holographic displays.
    • 公开了使用允许减少斑纹图案的装置的三维场景的全息重建的显示器。 斑点图案导致全息重建的粗糙化,并使其质量恶化。 3D场景与观察者的眼睛中的时间顺序或空间不一致地叠加在一起。 场景的每个重建对象点的调制波前相对于自身在重建光束路径中移动并叠加在观察者的眼睛中。 移位可以一维和二维地发生。 根据移动的波前面的数量,每个物点在观察者的眼睛中与其自身相乘。 观察者平均眼睛的各种斑点图案也相乘。 斑点图案减少,并且在全息显示器中因此增加了重建质量。