26 June 2017 Digital micromirror device as amplitude diffuser for multiple-plane phase retrieval
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Abstract
Previous implementations of the phase diffuser used in the multiple-plane phase retrieval method included a diffuser glass plate with fixed optical properties or a programmable yet expensive spatial light modulator. Here a model for phase retrieval based on a digital micromirror device as amplitude diffuser is presented. The technique offers programmable, convenient and low-cost amplitude diffuser for a non-stagnating iterative phase retrieval. The technique is demonstrated in the reconstructions of smooth object wavefronts.
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Timothy Joseph T. Abregana, Nathaniel P. Hermosa, Percival F. Almoro, "Digital micromirror device as amplitude diffuser for multiple-plane phase retrieval", Proc. SPIE 10330, Modeling Aspects in Optical Metrology VI, 103300G (26 June 2017); doi: 10.1117/12.2270182; https://doi.org/10.1117/12.2270182
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