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- Q899173 subject Q7029056.
- Q899173 subject Q8550208.
- Q899173 abstract "Differential interference contrast (DIC) microscopy, also known as Nomarski interference contrast (NIC) or Nomarski microscopy, is an optical microscopy technique used to enhance the contrast in unstained, transparent samples. DIC works on the principle of interferometry to gain information about the optical path length of the sample, to see otherwise invisible features. A relatively complex optical system produces an image with the object appearing black to white on a grey background. This image is similar to that obtained by phase contrast microscopy but without the bright diffraction halo. The technique was developed by Georges Nomarski.DIC works by separating a polarized light source into two orthogonally polarized mutually coherent parts which are spatially displaced (sheared) at the sample plane, and recombined before observation. The interference of the two parts at recombination is sensitive to their optical path difference (i.e. the product of refractive index and geometric path length). Adding an adjustable offset phase determining the interference at zero optical path difference in the sample, the contrast is proportional to the path length gradient along the shear direction, giving the appearance of a three-dimensional physical relief corresponding to the variation of optical density of the sample, emphasising lines and edges though not providing a topographically accurate image.".
- Q899173 thumbnail Micrasterias_radiata.jpg?width=300.
- Q899173 wikiPageExternalLink micro.magnet.fsu.edu.
- Q899173 wikiPageExternalLink dichome.html.
- Q899173 wikiPageExternalLink DIC.html.
- Q899173 wikiPageExternalLink dicreferences.html.
- Q899173 wikiPageWikiLink Q1074953.
- Q899173 wikiPageWikiLink Q1224485.
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- Q899173 wikiPageWikiLink Q3103269.
- Q899173 wikiPageWikiLink Q3880557.
- Q899173 wikiPageWikiLink Q485146.
- Q899173 wikiPageWikiLink Q5128336.
- Q899173 wikiPageWikiLink Q571589.
- Q899173 wikiPageWikiLink Q633620.
- Q899173 wikiPageWikiLink Q690182.
- Q899173 wikiPageWikiLink Q6964172.
- Q899173 wikiPageWikiLink Q7029056.
- Q899173 wikiPageWikiLink Q72277.
- Q899173 wikiPageWikiLink Q850283.
- Q899173 wikiPageWikiLink Q8550208.
- Q899173 wikiPageWikiLink Q898815.
- Q899173 wikiPageWikiLink Q905225.
- Q899173 wikiPageWikiLink Q912313.
- Q899173 comment "Differential interference contrast (DIC) microscopy, also known as Nomarski interference contrast (NIC) or Nomarski microscopy, is an optical microscopy technique used to enhance the contrast in unstained, transparent samples. DIC works on the principle of interferometry to gain information about the optical path length of the sample, to see otherwise invisible features. A relatively complex optical system produces an image with the object appearing black to white on a grey background.".
- Q899173 label "Differential interference contrast microscopy".
- Q899173 depiction Micrasterias_radiata.jpg.