Half-magnitude extensions of resolution and field of view in digital holography by scanning and magnification

Ferenc Gyímesi, Zoltán Füzessy, Venczel Borbély, Béla Ráczkevi, György Molnar, Aladar Czitrovszky, Attila Tibor Nagy, Gyözö Molnárka, Abdelhakim Lotfi, Attila Nagy, István Harmati, Dezsö Szigethy

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Digital holography replaces the permanent recording material of analog holography with an electronic light sensitive matrix detector, but besides the many unique advantages, this brings serious limitations with it as well. The limited resolution of matrix detectors restricts the field of view, and their limited size restricts the resolution in the reconstructed holographic image. Scanning the larger aerial hologram (the interference light field of the object and reference waves in the hologram plane) with the small matrix detector or using magnification for the coarse matrix detector at the readout of the fine-structured aerial hologram, these are straightforward solutions but have been exploited only partially until now. We have systematically applied both of these approaches and have driven them to their present extremes, over half a magnitude in extensions.

Original languageEnglish
Pages (from-to)6026-6034
Number of pages9
JournalApplied Optics
Volume48
Issue number31
DOIs
Publication statusPublished - Nov 1 2009

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

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    Gyímesi, F., Füzessy, Z., Borbély, V., Ráczkevi, B., Molnar, G., Czitrovszky, A., Nagy, A. T., Molnárka, G., Lotfi, A., Nagy, A., Harmati, I., & Szigethy, D. (2009). Half-magnitude extensions of resolution and field of view in digital holography by scanning and magnification. Applied Optics, 48(31), 6026-6034. https://doi.org/10.1364/AO.48.006026