chromium-doped ruby crystal

  • 1Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment …

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  • 2optical ceramics — Introduction       advanced industrial materials developed for use in optical applications.       Optical materials derive their utility from their response to infrared, optical, and ultraviolet light. The most obvious optical materials are… …

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  • 3Laser construction — A laser is constructed from three principal parts:*An energy source (usually referred to as the pump or pump source ), *A gain medium or laser medium , and *Two or more mirrors that form an optical resonator . Pump sourceThe pump source is the… …

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  • 4Ball-and-stick model — A plastic ball and stick model of a proline molecule In chemistry, the ball and stick model is a molecular model of a chemical substance which is to display both the three dimensional position of the atoms and the bonds between them. The atoms… …

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  • 5colour — /kul euhr/, n., adj. v.t., v.i. Chiefly Brit. color. Usage. See or1. * * * I Aspect of any object that may be described in terms of hue, brightness, and saturation. It is associated with the visible wavelengths of electromagnetic radiation, which …

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  • 6Dopant — This article is about elemental impurities. For the fictional characters in Kamen Rider W, see Dopant (Kamen Rider). A dopant, also called a doping agent, is a trace impurity element that is inserted into a substance (in very low concentrations)… …

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  • 7laser — /lay zeuhr/, n. Physics. a device that produces a nearly parallel, nearly monochromatic, and coherent beam of light by exciting atoms to a higher energy level and causing them to radiate their energy in phase. Also called optical maser. [1955 60; …

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  • 8Garnet — For other uses, see Garnet (disambiguation). Garnet General Category Nesosilicate Chemical …

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  • 9Diamond — This article is about the mineral. For the gemstone, see Diamond (gemstone). For other uses, including the shape ◊, see Diamond (disambiguation) …

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  • 10Solid-state laser — A solid state laser is a laser that uses a gain medium that is a solid, rather than a liquid such as in dye lasers or a gas as in gas lasers. Semiconductor based lasers are also in the solid state, but are generally considered as a separate class …

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