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Reverse phase-contrast problem in optical technology

机译:光学技术中的逆相衬问题

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Abstract: This paper presents a new and simple technique of phase retardation measurement. It is based on computer aided analysis of diffraction pattern generated by phase object. Application of this method to known intensity distribution in Fourier spectrum allows to find phase distribution in an object. The method is especially aligned for techniques where an unknown phase modulation is gained by exposure of a photo-sensitive media. The described method can help to predict the desired phase shift from exposure and is especially aligned to the problem of Holographic Optical Elements (HOE) manufacturing. !3
机译:摘要:本文提出了一种新的简单的相位延迟测量技术。它基于计算机辅助分析由相位对象产生的衍射图样。将该方法应用于傅立叶光谱中的已知强度分布,可以找到物体中的相位分​​布。该方法特别适用于通过曝光感光介质获得未知相位调制的技术。所描述的方法可以帮助从曝光中预测期望的相移,并且尤其与全息光学元件(HOE)制造的问题对准。 !3

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