dark field illumination

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Related to dark field illumination: Dark field microscopy
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Noun1.dark field illumination - a form of microscopic examination of living material by scattered light; specimens appear luminous against a dark background
microscopy - research with the use of microscopes
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References in periodicals archive ?
The instruments displayed in Stuttgart in May included: a holography system able to measure extremely accurately the 3D surface topography of a part while still in the machining tool; a measurement sphere containing 27 cameras that captures a 360[degrees] view of small components in freefall, with no occlusions; and an inline system using bright field and dark field illumination to detect surface particles.
It begins by surveying samples with bright and dark field illumination to view the particles they contain.