The transport of intensity equation(TIE) offers an experimentally simple technique for computing phase information directly from several defocused images. In this work we developed the traditional TIE intensity acquisition system. In order to avoid the shifting of CCD, a quadratic phase pattern was displayed on the SLM to provide a lens effect for realizing different defocus distance by varying the focal length of the lens. Two kinds of phase imaging experimental configurations guided by two different theor...
lens phase distribution with different focal length is0 Introductionloaded in this SLM to make it realize the function oftunable-lens.Two kinds of phase retrieval experimentalPhase is an inherent characteristic of any waveconfigurations with the advantage
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