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Fringe analysis and phase reconstruction from modulated intensity patterns

机译:从调制强度模式进行边缘分析和相位重建

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摘要

A novel method of determining phase from a modulated intensity pattern is described. A line integral of the gradient of the phase is used to reconstruct the phase, eliminating the necessity for complex methods of phase unwrapping. The new algorithm can be used with any technique that experimentally or theoretically yields the cosine and sine or the tangent of the phase. This phase-reconstruction process works effectively even in the regions of high-intensity gradients and is insensitive to the profile of the illuminating beams and to the shape of the domain boundaries. (C) 1997 Optical Society of America.
机译:描述了一种从调制强度模式确定相位的新颖方法。使用相位梯度的线积分来重建相位,从而无需使用复杂的相位展开方法。新算法可与通过实验或理论得出相位的余弦和正弦或正切的任何技术一起使用。即使在高强度梯度的区域中,该相重构过程也有效地起作用,并且对照明光束的轮廓和域边界的形状不敏感。 (C)1997年美国眼镜学会。

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