- Arago spot
- пятно Араго (яркое пятно или точка, появляющаяся из-за дифракции в центре тени от круглого объекта в свете, исходящем от точечного источника)
Англо-русский словарь промышленной и научной лексики. 2014.
Arago spot
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Arago spot — In optics, an Arago spot is a bright point which appears at the center of the shadow of a circular object in light from a point source. It is also sometimes called a Poisson spot. [Citation | last =Pedrotti | first =Frank L. | last2 =Pedrotti |… … Wikipedia
François Arago — 25th Prime Minister of France In office 9 May 1848 – 24 June 1848 Preceded by Jacques Charles Dup … Wikipedia
Poisson's spot — ▪ diffraction also called Arago s spot diffraction pattern produced by a small spherical object in the path of parallel light rays. French physicist Augustin Jean Fresnel (Fresnel, Augustin Jean) presented much of his work on diffraction… … Universalium
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Zone plate — A zone plate is a device used to focus light. Unlike lenses however, zone plates use diffraction instead of refraction. Created by Augustin Jean Fresnel [freɪ nel] , they are sometimes called Fresnel zone plates in his honor. The zone plate s… … Wikipedia
Fresnel diffraction — In optics, the Fresnel diffraction equation for near field diffraction, is an approximation of Kirchhoff Fresnel diffraction that can be applied to the propagation of waves in the near field.[1] The near field can be specified by the Fresnel… … Wikipedia
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