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Physics any of the light and dark or coloured bands produced by diffraction or interference of light
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

Fringe (optics)

One of the light or dark bands produced by interference or diffraction of light. Distances between fringes are usually very small, because of the short wavelength of light. Fringes are clearer and more numerous when produced with light of a single color.

Diffraction fringes are formed when light from a point source, or from a narrow slit, passes by an opaque object of any shape. Interference fringes are obtained by bringing together two or more beams of light that have originated from a common source. This is usually accomplished by means of an apparatus especially designed for the purpose called an interferometer, although interference fringes may also be seen in nature. Examples are the colors in a soap film and in an oil film on water. See Diffraction, Interference of waves, Interferometry, Resolving power (optics)

McGraw-Hill Concise Encyclopedia of Physics. © 2002 by The McGraw-Hill Companies, Inc.


One of the light or dark bands produced by interference or diffraction of light.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


C. Katz, GE, 1961. Subcomponent of GE-255 GECOM system. Sorting and merging of data, reports and file maintenance.
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References in periodicals archive ?
The days of amateur productions in church halls are largely gone, with super venues filled with stand-up comedy performers now dominating the Fringe.
Factor in the wrinkle-disguising benefits, and maybe it's time to take a fresh look at the fringe movement.
This paper examines the first thirty years of the Edmonton International Fringe Theatre Festival and traces the history of the Fringe through the concept of branding.
When finished, slide the fringe bunch up into the material so that the heavy thread that encircles the fringe bunch is level with the stitches you just made on the sash material (Fig.
In the Fringe by Eleanor Summers purports to be a novel.
Other confirmed stars include Hollywood star Janeane Garofalo, best known for her role as Janis Gold in the hit TV series 24, who is making her first appearance at the Fringe with a stand-up show.
The Fringe arranged for them to play an impromptu concert on the Sunday - they were so delighted they offered to play a benefit gig for the Fringe as part of their 2009 nationwide tour.
Fringe director Jon Morgan said: "We are absolutely clear that the Fringe will run as planned and we would encourage everyone to continue buying tickets for shows."
"People are willing to take a risk and see something avant-garde, and are a little more forgiving," Kowalchuk says of the successes of the fringe festivals.
Stated alternatively, if the fringe benefit is too valuable or is provided too frequently, then the de minimis rules typically will not apply.
There has been cyclical concern for the fringe over the last few decades, with periodic attempts to problematise these areas (2) and offer solutions for their future management.