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首页> 外文会议>International Conference on Holography and Optical Information Processing (ICHOIP '96) >Azo-dye-doped polymer films in optical signal processing using Fourier holograms
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Azo-dye-doped polymer films in optical signal processing using Fourier holograms

机译：傅里叶全息图在光信号处理中掺杂偶氮染料的聚合物薄膜

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Abstract: The holographic build-up and erasure times of the azo-dye Disperse Red 13 in PMMA have been measured. The measurements have been taken at different reference-to-object beam intensity ratios to determine the optimum ratio for maximum diffraction of the readout beam by the photoinduced grating. These investigations have been carried out on azo-dye doped polymer films to determine their suitability for use in information processing by holographic methods. The edge- enhancement of various objects, both simple and complex, was demonstrated with this azo-dye doped polymer film, illustrating the possibility of nonlinear optical filtering using such photoanisotropic materials. The described method uses two interacting beams without any additional devices and allows the edge enhancement of moving objects.!10
机译：摘要：测量了PMMA中偶氮染料分散红13的全息堆积和擦除时间。已经在不同的参考光束与物体光束的强度比下进行了测量，以确定由光致光栅对读出光束进行最大衍射的最佳比率。这些研究是在偶氮染料掺杂的聚合物薄膜上进行的，以确定它们是否适用于通过全息方法进行信息处理。用这种偶氮染料掺杂的聚合物薄膜证明了各种物体的边缘增强，包括简单和复杂，说明了使用这种光各向异性材料进行非线性光学滤波的可能性。所描述的方法使用两个相互作用的光束，而无需任何其他设备，并且可以增强移动物体的边缘。10

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