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5 terms
Photonics Dictionary: V
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contrast x
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voltage contrast analysis
A nondestructive testing method for very large scale integration circuits, using a scanning electron microscope to monitor changes in the electronic state of the chip as it is fed test voltages while...
vacuum
In optics, the term vacuum typically refers to a space devoid of matter, including air and other gases. However, in practical terms, achieving a perfect vacuum, where there is absolutely no matter...
veiling brightness
A brightness, superimposed on the image of the retina, that decreases its contrast and that often results in decreased visibility.
veiling glare
Diffuse stray light at the image plane of an optical system that results in reduced contrast and resolution.
visual test chart
A series of high contrast block letters or similar objects arranged to permit the evaluation of eyesight in humans.
Photonics Dictionary
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