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Band-limited zone plates for single-sideband holography

机译:单边带全息术的带限波带片

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摘要

The single-sideband technique eliminates a conjugate image and zeroth order diffraction light, producing only a reconstructed image of a hologram. A band-limited cosine zone plate appropriate for use with the single-sideband technique is derived. The width of the zone plate is half that of a conventional zone plate in one direction. The proper selection of a transmitted spatial frequency band leads to an interlaced band-limited zone plate that has complex amplitudes in odd or even rows. The use of such a zone plate reduces calculation time for a hologram to approximately 75percent. Experimental verification of this is presented.
机译:单边带技术消除了共轭图像和零级衍射光,仅产生全息图的重建图像。推导了适用于单边带技术的带限余弦波带片。在一个方向上,防区板的宽度是常规防区板的宽度的一半。正确选择发射的空间频带会导致隔行扫描的带限制带状波带板,其奇数或偶数行中的振幅复杂。使用这种波带片可将全息图的计算时间减少到大约75%。对此进行了实验验证。

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