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beam is diffracted

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  • Diffractive beam splitter — 7x7 matrix using green laser and diff. beam splitter (Courtesy of Holo Or) The diffractive beam splitter [1] [2] (also known as multispot beam generator …   Wikipedia

  • Diffraction topography — (short: topography ) is an X ray imaging technique based on Bragg diffraction. Diffraction topographic images ( topographs ) record the intensity profile of a beam of X rays (or, sometimes, neutrons) diffracted by a crystal. A topograph thus… …   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

  • Ewald's sphere — The Ewald sphere is a geometric construct used in electron, neutron, and X ray crystallography which neatly demonstrates the relationship between: :* the wavelength of the incident and diffracted x ray beams, :* the diffraction angle for a given… …   Wikipedia

  • Photothermal deflection spectroscopy — is a kind of spectroscopy that measures the change in refractive index due to laser heating of a surface. It works via the mirage effect where a refractive index gradient exists adjacent to the substrate s surface. The test laser beam is… …   Wikipedia

  • Atom interferometer — An Atom interferometer is an interferometer based on exploiting the wave character of atoms.OverviewInterferometry inherently depends on the wave nature of the object. As pointed out by de Broglie in his PhD thesis, particles, including atoms,… …   Wikipedia

  • William Lawrence Bragg — Infobox Scientist name = William Lawrence Bragg image width = caption = birth date = birth date|1890|3|31|df=y birth place = North Adelaide, South Australia death date = Death date and age|1971|7|1|1890|3|31|df=yes death place = Ipswich, Suffolk …   Wikipedia

  • microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… …   Universalium

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

  • Acousto-optics — is a branch of physics that studies the interactions between sound waves and light waves, especially the diffraction of laser light by ultrasound or sound in general.IntroductionOptics has had a very long and full history, from ancient Greece,… …   Wikipedia

  • Reflection high energy electron diffraction — (RHEED) is a technique used to characterize the surface of crystalline materials. RHEED systems gather information only from the surface layer of the sample, which distinguishes RHEED from other materials characterization methods that rely also… …   Wikipedia

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