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An optimal binary amplitude-phase mask for hybrid imaging systems that exhibit high resolution and extended depth of field.

Authors
  • Ben-Eliezer, Eyal
  • Konforti, Naim
  • Milgrom, Benjamin
  • Marom, Emanuel
Type
Published Article
Journal
Optics Express
Publisher
The Optical Society
Publication Date
Dec 08, 2008
Volume
16
Issue
25
Pages
20540–20561
Identifiers
PMID: 19065193
Source
Medline
License
Unknown

Abstract

The design of a circularly symmetric hybrid imaging system that exhibits high resolution as well as extended depth of field is presented. The design, which assumes spatially incoherent illumination, searches for an optimal "binary amplitude and phase" pupil mask, which for a certain desired depth of field, provides the largest spatial frequency band that assures a certain desired contrast value. The captured images are electronically processed by an off-line Wiener filter, to finally obtain high quality output images. Simulations as well as experimental results are provided.

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