photorefractive crystals

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• Photorefractive effect — The photorefractive effect is a nonlinear optical effect seen in certain crystals and other materials that respond to light by altering their refractive indexcite book author=J. Frejlich title=Photorefractive materials : fundamental concepts,… …   Wikipedia

• Holography — (from the Greek, ὅλος hólos whole + γραφή grafē writing, drawing) is a technique that allows the light scattered from an object to be recorded and later reconstructed so that it appears as if the object is in the same position relative to the… …   Wikipedia

• Electro-gyration — The electrogyration effect is the spatial dispersion phenomenon, that consists in the change of optical activity (gyration) of crystals by a constant or time varying electric field. Being a spatial dispersion effect, the induced optical activity… …   Wikipedia

• Zinc telluride — Chembox new Name = Zinc telluride ImageFile = Zinc selenide unit cell 3D balls.png OtherNames = Section1 = Chembox Identifiers CASNo = 1315 11 3 Section2 = Chembox Properties Formula = ZnTe MolarMass = 192.99 g/mol Appearance = red crystals… …   Wikipedia

• Barium titanate — Chembox new Name = Barium titanate ImageFile = ImageName = Barium titanate OtherNames = Section1 = Chembox Identifiers CASNo = 12047 27 7 Section2 = Chembox Properties Formula = BaTiO3 MolarMass = 233.192 g/mol Appearance = white crystals Density …   Wikipedia

• Электрогирация — эффект пространственной дисперсии, состоящий в возникновении или изменении оптической активности (гирации) в кристаллах под действием постоянного или переменного электрического поля. Как явление пространственной дисперсии  электрогирация… …   Википедия

• Nonlinear optics — (NLO) is the branch of optics that describes the behaviour of light in nonlinear media, that is, media in which the dielectric polarization P responds nonlinearly to the electric field E of the light. This nonlinearity is typically only observed… …   Wikipedia

• Dissipative soliton — Dissipative solitons (DSs) are stable solitary localized structures that arise in nonlinear spatially extended dissipative systems due to mechanisms of self organization. They can be considered as an extension of the classical soliton concept in… …   Wikipedia

• Maban — or Mabain is a material that is held to be magical in Australian Aboriginal mythology. It is the material from which the Clever Women and Clever Men [ Clever Women and Clever Men is the traditional scholarly euphemism for Shaman employed in the… …   Wikipedia

• Bismuth germanate — (BGO, chemical formula Bismuth4Germanium3Oxygen12 (evlitine structure) or the less common type Bi12GeO20) is an inorganic chemical compound with main use as a scintillator. It forms cubic crystals. When subjected to high energy gamma rays,… …   Wikipedia

• Electro-optic effect — An electro optic effect is a change in the optical properties of a material in response to an electric field that varies slowly compared with the frequency of light. The term encompasses a number of distinct phenomena, which can be subdivided… …   Wikipedia