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High-resolution digital transmission microscopy: a Fourier holography approach

På svenska

Author

  • Mats Gustafsson
  • Mikael Sebesta
  • Bengt Bengtsson
  • Sven-Göran Pettersson
  • Peter Egelberg
  • Thomas Lenart

Summary, in English

A spherical reference field is used to construct a digital holographic system with a demonstrated resolution up to 228 line pairs per mm. The reference field originates from a GRIN lens placed 1 mm from the illuminated object. This allows the use of a standard sensor to record the hologram with the required numerical aperture. The image is determined by evaluation of the Rayleigh–Sommerfeld diffraction integral that relates the object field in the image plane to the object field in the sensor plane. Experimental results are given for two charge coupled device sensors and one complementary metal-oxide-semiconductor active pixel sensor.

Publishing year

2004

Language

English

Pages

553-563

Publication/Series

Optics and Lasers in Engineering

Volume

41

Issue

3

Document type

Journal article

Publisher

Elsevier

Topic

  • Atom and Molecular Physics and Optics
  • Electrical Engineering, Electronic Engineering, Information Engineering

Status

Published

Research group

  • Electromagnetic theory

ISBN/ISSN/Other

  • ISSN: 0143-8166