diffraction+plate

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• 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

• diffraction grating — n. Optics a plate of glass or polished metal ruled with a series of very close, equidistant, parallel lines, used to produce a spectrum by the diffraction of reflected or transmitted light …   English World dictionary

• Diffraction X — Diffractométrie de rayons X La diffractométrie de rayons X (DRX, on utilise aussi souvent l abréviation anglaise XRD pour X ray diffraction) est une technique d analyse basée sur la diffraction des rayons X sur la matière. La diffraction n ayant… …   Wikipédia en Français

• Diffraction de rayons X — Diffractométrie de rayons X La diffractométrie de rayons X (DRX, on utilise aussi souvent l abréviation anglaise XRD pour X ray diffraction) est une technique d analyse basée sur la diffraction des rayons X sur la matière. La diffraction n ayant… …   Wikipédia en Français

• Diffraction des rayons X — Diffractométrie de rayons X La diffractométrie de rayons X (DRX, on utilise aussi souvent l abréviation anglaise XRD pour X ray diffraction) est une technique d analyse basée sur la diffraction des rayons X sur la matière. La diffraction n ayant… …   Wikipédia en Français

• Diffraction grating — A very large reflecting diffraction grating. In optics, a diffraction grating is an optical component with a periodic structure, which splits and diffracts light into several beams travelling in different directions. The directions of these beams …   Wikipedia

• diffraction grating — noun a plate of glass or metal ruled with very close parallel lines, producing a spectrum by diffraction and interference of light …   English new terms dictionary

• Powder diffraction — is a scientific technique using X ray, neutron, or electron diffraction on powder or microcrystalline samples for structural characterization of materials. [B.D. Cullity Elements of X ray Diffraction Addison Wesley Mass. 1978] Explanation Ideally …   Wikipedia

• 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

• 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

• Drake's Plate of Brass — The so called Drake s Plate of Brass. Note the hole in the lower right. The real plate was described as displaying the queen s portrait on a sixpence coin through a hole in the plate. The so called Drake s Plate of Brass is a forgery that… …   Wikipedia