(electron or laser beam)

См. также в других словарях:

• Laser beam welding — (LBW) is a welding technique used to join multiple pieces of metal through the use of a laser. The beam provides a concentrated heat source, allowing for narrow, deep welds and high welding rates. The process is frequently used in high volume… …   Wikipedia

• Electron beam welding — (EBW) is a fusion welding process in which a beam of high velocity electrons is applied to the materials being joined. The workpieces melt as the kinetic energy of the electrons is transformed into heat upon impact, and the filler metal, if used …   Wikipedia

• Electron beam machining — (EBM) is a machining process where high velocity electrons are directed toward a work piece, creating heat and vaporizing the material. Applications of this process are annealing, metal removal, and welding (see Electron Beam Welding). EBM can be …   Wikipedia

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

• laser — /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; …   Universalium

• Laser video projector — A laser video projector takes a video signal and modulates a laser beam in order to project a raster based image. The systems work either by scanning the entire picture a dot at a time and modulating the laser directly at high frequency, much… …   Wikipedia

• Laser scalpel — A laser scalpel is a scalpel for surgery, cutting or ablating living biological tissue by the energy of laser light. In soft tissue laser surgery, a laser beam ablates or vaporizes the soft tissue with the high water content.In ophthalmology… …   Wikipedia

• beam — {{Roman}}I.{{/Roman}} noun 1 ray of light ADJECTIVE ▪ light ▪ bright, intense, powerful ▪ narrow, thin ▪ flashlight …   Collocations dictionary

• Laser pumping — is the act of energy transfer from an external source into the gain medium of a laser. The energy is absorbed in the medium, producing excited states in its atoms. When the number of particles in one excited state exceeds the number of particles… …   Wikipedia

• Láser excimer — Láser de excímeros, empleado en cirugía oftalmológica para tratamientos LASIK. Equipamiento de la marca Carl Zeiss. El láser de excímeros, láser excimer (calco del inglés) o láser exciplex, es un tipo de láser ultravioleta utilizado… …   Wikipedia Español

• Laser diode — Top: a packaged laser diode shown with a penny for scale. Bottom: the laser diode chip is removed from the above package and placed on the eye of a needle for scale …   Wikipedia