A constrained method for lensless coherent imaging of thin samples | Zendy

Ferréol Soulez | Zendy; Ma Rostykus | Zendy; Christophe Moser | Zendy; Michaël Unser | Zendy

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A constrained method for lensless coherent imaging of thin samples

Author(s) -

Ferréol Soulez,

Ma Rostykus,

Christophe Moser,

Michaël Unser

Publication year - 2021

Publication title -

applied optics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.668

H-Index - 197

eISSN - 2155-3165

pISSN - 1559-128X

DOI - 10.1364/ao.445078

Subject(s) - optics , holography , resolution (logic) , image resolution , field of view , physics , sample (material) , phase (matter) , ptychography , amplitude , iterative reconstruction , computer science , computer vision , artificial intelligence , diffraction , quantum mechanics , thermodynamics

Lensless inline holography can produce high-resolution images over a large field of view (FoV). In a previous work [Appl. Opt.60, B38 (2021)APOPAI0003-693510.1364/AO.414976], we showed that (i) the actual FoV can be extrapolated outside of the camera FoV and (ii) the effective resolution of the setup can be several times higher than the resolution of the camera. In this paper, we present a reconstruction method to recover high resolution with an extrapolated FoV image of the phase and the amplitude of a sample from aliased intensity measurements taken at a lower resolution.

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