- Fresnel screen
- Fresnel screen Fresnel-Mattscheibe f
English-German dictionary of Electrical Engineering and Electronics. 2013.
Fresnel screen
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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
Fresnel number — The Fresnel number F , named after the physicist Augustin Jean Fresnel, is a dimensionless number occurring in optics, in particular in diffraction theory.For an electromagnetic wave passing through an aperture and hitting a screen, the Fresnel… … Wikipedia
Fresnel lens — Optics. a large lens with a surface of concentric grooves of prismatic profile, used in automobile headlights, searchlights, spotlights, etc. [1840 50; see FRESNEL] * * * Series of concentric rings, each consisting of a thin part of a simple lens … Universalium
Fresnel diffraction — /ˌfrɛznəl dəˈfrækʃən/ (say .freznuhl duh frakshuhn), /ˌfreɪnəl/ (say .fraynuhl) noun the class of diffraction phenomena in which the light source or the receiving screen (or both) are at finite distances from the diffracting system. See… …
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Fraunhofer diffraction — In optics, Fraunhofer diffraction is a form of wave diffraction, which occurs when field waves are passed through an aperture or slit, causing only the size of an observed aperture image to change Hecht, E. (1987) , p396 Definition of Fraunhofer… … Wikipedia
optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… … Universalium
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Diffraction — Computer generated intensity pattern formed on a screen by diffraction from a square aperture … Wikipedia
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