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Elimination of conjugate image for holograms using a resolution redistribution optical system

机译：使用分辨率重新分配光学系统消除全息图的共轭图像

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摘要

A technique to alter the ratio of the horizontal and vertical resolution of a spatial light modulator has been proposed. This technique increases the horizontal resolution by a factor of K and decreases the vertical resolution by a factor of 1/K. The proposed technique increases the horizontal viewing angle by a factor of approximately K, although a conjugate image appeared. In the present study, the resolution redistribution technique is modified to eliminate the conjugate image. The height of a horizontal slit placed on the Fourier plane of a 4f imaging system used for the resolution redistribution system is reduced by half. The horizontal resolution becomes K times larger, and the vertical resolution becomes 1/2K times smaller. The improved technique generates only the object wave. We demonstrated fourfold enlargement of the horizontal resolution to increase the horizontal viewing angle by approximately four times without generating the conjugate image.
机译：已经提出了改变空间光调制器的水平分辨率和垂直分辨率之比的技术。此技术将水平分辨率提高了K倍，将垂直分辨率降低了1 / K倍。尽管出现了共轭图像，但提出的技术将水平视角增加了大约K倍。在本研究中，对分辨率重新分配技术进行了修改，以消除共轭图像。分辨率重新分配系统所使用的4f成像系统的傅里叶平面上放置的水平狭缝高度降低了一半。水平分辨率变大K倍，垂直分辨率变小1 / 2K倍。改进的技术仅生成物波。我们演示了水平分辨率的四倍放大，以将水平视角提高大约四倍，而不会生成共轭图像。

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