Open AccessPupil coding masks for imaging polychromatic scenes with high resolution and extended depth of field
Author(s) -
Benjamin Milgrom,
Naim Konforti,
Michael Golub,
Emanuel Marom
Publication year - 2010
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.18.015569
Subject(s) - optics , depth of field , spatial frequency , pupil , image resolution , computer science , binary number , phase retrieval , ptychography , coding (social sciences) , wavelength , light field , physics , diffraction , fourier transform , mathematics , statistics , arithmetic , quantum mechanics
An algorithm for the design of imaging systems with circular symmetry that exhibit high resolution as well as extended depth of field for polychromatic incoherent illumination is presented. The approach provides a significant improvement over a publication [1] where the design was carried for a single wavelength. The approach is based on searching for a binary phase pupil mask that provides imaging with the highest cut-off spatial frequency, while assuring a desired contrast value over a given depth of field. Simulations followed by experimental results are provided.