Improved extended depth of focus full field spectral domain Optical Coherence Tomography

Alex Zlotnik, Yoed Abraham, Lior Liraz, Ibrahim Abdulhalim, Zeev Zalevsky

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

In Optical Coherence Tomography (OCT), both high axial and lateral resolutions are desired. While axial (z-axis) resolution is achieved by a broadband source, lateral (x-y axes) resolution is achieved by high NA lenses. However, high NA objectives result in decreased depth of focus (DOF). The small DOF makes it difficult to obtain single shot imaging of biological samples having large lateral dimension. In this work we incorporate special interfering phase mask allowing to extend the DOF of an OCT system and to allow imaging of samples without axial scanning.

Original languageEnglish
Pages (from-to)4963-4968
Number of pages6
JournalOptics Communications
Volume283
Issue number24
DOIs
StatePublished - 15 Dec 2010

Keywords

  • Fourier transform optics
  • Optical coherent tomography

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

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