shaped reflector

См. также в других словарях:

• reflector — [[t]rɪfle̱ktə(r)[/t]] reflectors 1) N COUNT A reflector is a small piece of specially patterned glass or plastic which is fitted to the back of a bicycle or car or to a post beside the road, and which glows when light shines on it. 2) N COUNT A… …   English dictionary

• Corner reflector — Working principle of a corner reflector A corner reflector is a retroreflector consisting of three mutually perpendicular, intersecting flat surfaces, which reflects waves back directly towards the source, but shifted (translated). Unlike a… …   Wikipedia

• Multifaceted reflector — Left to right: MR16 with GU10 base and with GX5.3 base, MR11 with GU4 or GZ4 base MR16 and MR11 (sometimes referred to as MR 16 or MR 11, rarely MR8 or MR 8) are standard formats for halogen multifaceted reflector light bulbs made by a variety of …   Wikipedia

• Cassegrain reflector — The Cassegrain reflector is a combination of two coaxial reflectors used in Cassegrain telescopes and radio antennas.First developed in 1672 by Laurent Cassegrain, this reflector is a combination of a primary concave mirror and a secondary convex …   Wikipedia

• Ellipsoidal reflector spotlight — (abbreviated to ERS, or colloquially ellipsoidal) is the name for a type of stage lighting instrument, named for the ellipsoidal reflector used to intensify the light of a back loading lamp through the barrel and lens. Ellipsoidals may also be… …   Wikipedia

• radio telescope — Astron. a system consisting of an antenna, either parabolic or dipolar, used to gather radio waves emitted by celestial sources and bring them to a receiver placed in the focus. [1925 30] * * * Combination of radio receiver and antenna, used for… …   Universalium

• troffer — ˈträfə(r), ˈtrȯf noun ( s) Etymology: troff (alteration of trough) + er : an inverted trough serving as a support and reflector for a usually fluorescent lighting unit * * * /trof euhr, traw feuhr/, n. a trough shaped reflector holding one or… …   Useful english dictionary

• Fishing light attractor — A Fishing light attractor is a fishing aid which uses lights attached to structure above water or suspended underwater to attract both fish and members of their food chain to specific areas in order to harvest them.Just as fisherman seek… …   Wikipedia

• Physical optics — In physics, physical optics, or wave optics, is the branch of optics which studies interference, diffraction, polarization, and other phenomena for which the ray approximation of geometric optics is not valid. This usage tends not to include… …   Wikipedia

• radiotelescope — radio telescope n. A device used in radio astronomy for detecting and recording radio waves coming from stars and other celestial objects, consisting of a radio receiver with an antenna fixed on a wide bowl shaped reflector that collects the… …   Universalium

• dish — /dish/, n. 1. an open, relatively shallow container of pottery, glass, metal, wood, etc., used for various purposes, esp. for holding or serving food. 2. any container used at table: dirty dishes. 3. the food served or contained in a dish: The… …   Universalium