optical medium

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• Optical medium — An optical medium is material through which electromagnetic waves propagate. It is a form of transmission medium. The permittivity and permeability of the medium define how electromagnetic waves propagate in it. The medium has an intrinsic… …   Wikipedia

• optical medium — optinė terpė statusas T sritis fizika atitikmenys: angl. optical medium vok. optisches Medium, n rus. оптическая среда, f pranc. milieu optique, m …   Fizikos terminų žodynas

• Medium — may refer to: Contents 1 Communication 2 Natural science 3 Entertainment …   Wikipedia

• Optical rectification — Electro optic rectification (EOR) (also referred to as optical rectification) is a non linear optical process which consists in the generation of a quasi DC polarization in a non linear medium at the passage of an intense optical beam. For… …   Wikipedia

• Optical microcavity — An optical microcavity is a structure formed by reflecting faces on the two sides of a spacer layer or optical medium. The name microcavity stems from the fact that it is often only a few micrometers thick, the spacer layer sometimes even in the… …   Wikipedia

• Optical disc recording technologies — Optical discs Optical disc Optical disc drive Optical disc authoring Authoring software Recording technologies Recording modes Packet writing Optical media types …   Wikipedia

• Optical disc — Optical media redirects here. For transmission media for light, see Medium (optics). The optical lens of a compact disc drive. In computing and optical disc recording technologies, an optical disc is a flat, usually circular disc which encodes… …   Wikipedia

• Optical tweezers — (originally called single beam gradient force trap ) are scientific instruments that use a highly focused laser beam to provide an attractive or repulsive force (typically on the order of piconewtons), depending on the refractive index mismatch… …   Wikipedia

• Optical communication — is any form of telecommunication that uses light as the transmission medium. An optical communication system consists of a transmitter, which encodes a message into an optical signal, a channel, which carries the signal to its destination, and a… …   Wikipedia

• Optical mark recognition — (also called Optical Mark Reading and OMR) is the process of capturing human marked data from document forms such as surveys and tests. Contents 1 OMR background 2 OMR software 2.1 Open Source …   Wikipedia

• Optical relief — (usually noted as simply relief) is a concept in optical mineralogy which refers to the degree in which mineral grains stand out from the mounting medium,[1] usually either oil with a known refractive index or Canada Balsam. Relief is an… …   Wikipedia