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Lensless phase microscopy using phase retrieval with multiple illumination wavelengths

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Abstract

A phase retrieval method for microscopy using multiple illumination wavelengths is proposed. A fast algorithm suitable for calculations with high numerical aperture is used for the iterative retrieval of the object wavefront. The advantages and limitations of the technique are systematically analyzed and demonstrated by both simulation and experimental results.

© 2012 Optical Society of America

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