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High resolution digital transmission microscopy : a Fourier holography approach

  • Mats Gustafsson
  • Mikael Sebesta
  • Bengt A Bengtsson
  • Sven-Göran Pettersson
  • Peter Egelberg
  • Thomas Lenart
Publiceringsår: 2002
Språk: Engelska
Publikation/Tidskrift/Serie: Technical Report LUTEDX/(TEAT-7106)/1-11/(2002)
Volym: TEAT-7106
Dokumenttyp: Rapport
Förlag: [Publisher information missing]


A spherical reference field is used to construct a digital holography system

with a demonstrated resolution down to 228 line pairs per mm. The reference

field origin from a GRIN lens placed 1mm 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 couple device sensors and one complementary metaloxide-

semiconductor active pixel sensor.


  • Electrical Engineering, Electronic Engineering, Information Engineering


  • Electromagnetic theory-lup-obsolete

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