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Design of diamond-turned holograms incorporating properties of the fabrication process

机译:结合加工工艺特性的金刚石车削全息图设计

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Recently, the fabrication of computer-generated holograms by diamond face turning with a nanometer-stroke fast tool servo (nFTS) has been demonstrated. Existing methods for the design of diamond-turned holograms account for their spiral-shaped surface topology and the fact that only the phase of a wave field can be modulated. Here we present an algorithm enabling the additional consideration of two important fabrication-related properties: the shape of the diamond tool used and the limited control frequency of the nFTS. Our method is based on the generalized projections method and enables the design of holograms for the reconstruction of arbitrary intensity distributions in the far field. Experimental results are presented, demonstrating the advantages of the method.
机译:近来,已经证明了通过利用纳米行程快速工具伺服器(nFTS)进行金刚石面车削来制造计算机生成的全息图。现有的设计钻石车削全息图的方法考虑到了它们的螺旋形表面拓扑结构,并且只能对波场的相位进行调制。在这里,我们提出了一种算法,该算法能够额外考虑两个与制造相关的重要属性:所使用的金刚石工具的形状和nFTS的有限控制频率。我们的方法基于广义投影方法,可以设计全息图,以重建远场中的任意强度分布。实验结果表明,该方法的优点。

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