near-field (Fresnel) diffraction pattern

near-field (Fresnel) diffraction pattern
Оптика: дифракционная картина ближнего (Френеля) поля

Универсальный англо-русский словарь. . 2011.

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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

  • Near and far field — This article is about the electromagnetic concept. For the mathematical, see Near field (mathematics). Antenna field regions for antennas that are shorter than the wavelength of the radiation they emit, such as the whip antenna of a citizen s… …   Wikipedia

  • Diffraction — Computer generated intensity pattern formed on a screen by diffraction from a square aperture …   Wikipedia

  • Diffraction formalism — Main article: Diffraction Contents 1 Quantitative description and analysis 1.1 General diffraction 1.2 Approximations 1.3 …   Wikipedia

  • Fresnel zone — In optics and radio communications, a Fresnel zone (pronounced FRA nel Zone ), named for physicist Augustin Jean Fresnel, is one of a (theoretically infinite) number of concentric ellipsoids of revolution which define volumes in the radiation… …   Wikipedia

  • 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

  • Huygens–Fresnel principle — Wave refraction in the manner of Huygens …   Wikipedia

  • List of types of interferometers — Field and linear interferometers = *Astronomical interferometer / Michelson stellar interferometer *Classical interference microscopy *Cyclic interferometer *Diffraction grating interferometer (white light) *Double slit interferometer *Fabry… …   Wikipedia

  • Optics — For the book by Sir Isaac Newton, see Opticks. Optical redirects here. For the musical artist, see Optical (artist). Optics includes study of dispersion of light. Optics is the branch of …   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

  • electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …   Universalium


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