Digital micromirror device as amplitude diffuser for multiple-plane phase retrieval

Timothy Joseph T. Abregana; Nathaniel P. Hermosa II; Percival F. Almoro

doi:10.1117/12.2270182

26 June 2017 Digital micromirror device as amplitude diffuser for multiple-plane phase retrieval

Timothy Joseph T. Abregana, Nathaniel P. Hermosa II, Percival F. Almoro

Proceedings Volume 10330, Modeling Aspects in Optical Metrology VI; 103300G (2017) https://doi.org/10.1117/12.2270182
Event: SPIE Optical Metrology, 2017, Munich, Germany

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.

Citation Download Citation

Timothy Joseph T. Abregana, Nathaniel P. Hermosa II, and 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); https://doi.org/10.1117/12.2270182

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