X-ray scattering

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• Small-angle X-ray scattering — (SAXS) is a small angle scattering (SAS) technique where the elastic scattering of X rays (wavelength 0.1 ... 0.2 nm) by a sample which has inhomogeneities in the nm range, is recorded at very low angles (typically 0.1 10°). This angular range… …   Wikipedia

• Grazing-incidence small-angle X-ray scattering — (GISAXS) is a scattering technique most commonly done at synchrotron radiation facilities. A related technique also exists for neutron scattering (GISANS). 300px|thumb|right|Scheme 1: GISAXS scattering geometry. The incident beam strikes the… …   Wikipedia

• X-ray scattering techniques — are a family of non destructive analytical techniques which reveal information about the crystallographic structure, chemical composition, and physical properties of materials and thin films. These techniques are based on observing the scattered… …   Wikipedia

• Anomalous X-ray scattering — AXRS or XRAS is a technique within X ray diffraction that makes use of the anomalous dispersion that occurs when a wavelength is selected that is in the vicinity of an absorption edge of one of the constituent elements of the sample.Atomic… …   Wikipedia

• Wide angle X-ray scattering — (WAXS) or Wide angle X ray diffraction (WAXD) is an X ray diffraction technique that is often used to determine the crystalline structure of polymers. This technique specifically refers to the analysis of Bragg Peaks scattered to wide angles,… …   Wikipedia

• Small-angle X-ray scattering — SAXS ou Small Angle X Ray Scattering est une technique permettant de caractériser la morphologie de matériaux à des échelles allant grosso modo de 1 nm à 100 nm. Dans le cas de matériaux particulaires, cette caractérisation peut consister en la… …   Wikipédia en Français

• Scattering — is a general physical process where some forms of radiation, such as light, sound, or moving particles, are forced to deviate from a straight trajectory by one or more localized non uniformities in the medium through which they pass. In… …   Wikipedia

• Scattering cross-section — The scattering cross section, sigma; scat, relates the scattering of light or other radiation to the number of particles present. In terms of area, the total cross section ( sigma;) is the sum of the cross sections due to absorption, scattering… …   Wikipedia

• Ray (optics) — Ray of light redirects here. For other uses, see Ray of light (disambiguation). In optics, a ray is an idealized narrow beam of light. Rays are used to model the propagation of light through an optical system, by dividing the real light field up… …   Wikipedia

• Ray tracing (graphics) — In computer graphics, ray tracing is a technique for generating an image by tracing the path of light through pixels in an image plane. The technique is capable of producing a very high degree of photorealism; usually higher than that of typical… …   Wikipedia

• ray — Synonyms and related words: Reptilia, X ray, actinic ray, actinism, amplitude, antinode, atom, atomic beam, atomic ray, beam, beam of light, crest, de Broglie wave, diffraction, diffuse, diffusion, disperse, dispersion, drop, electromagnetic… …   Moby Thesaurus