laser-excited molecules

См. также в других словарях:

• 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 — Pour les articles homonymes, voir Laser (homonymie). Rayon laser à travers un dispositif optique …   Wikipédia en Français

• Laser téramobile — Laser Pour les articles homonymes, voir Laser (homonymie). Rayon laser à travers un dispositif optique …   Wikipédia en Français

• laser — ► NOUN ▪ a device that generates an intense narrow beam of light by stimulating the emission of photons from excited atoms or molecules. ORIGIN acronym from light amplification by stimulated emission of radiation …   English terms dictionary

• laser — ☆ laser [lā′zər ] n. [l(ight) a(mplification by) s(timulated) e(mission of) r(adiation)] a device containing a substance the majority of whose atoms or molecules can be put into an excited energy state, allowing the substance to emit coherent… …   English World dictionary

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

• Laser — Pour les articles homonymes, voir Laser (homonymie). Rayon laser à travers un dispositif optique …   Wikipédia en Français

• Laser excimère — Lasik La technique du Lasik (LAser in Situ Keratomileusis) est une intervention chirurgicale de l œil. Son principe consiste à découper une fine lamelle dans l épaisseur de la cornée (qui est la partie transparente de la surface de l oeil) afin… …   Wikipédia en Français

• Laser-induced fluorescence — For other uses, see LIF. Laser induced fluorescence (LIF) is a spectroscopic method used for studying structure of molecules, detection of selective species and flow visualization and measurements.The species to be examined is excited with help… …   Wikipedia

• Laser 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… …   Wikipedia

• Laser, excimer — A laser that emits very concentrated light in the ultraviolet (UV) region of the spectrum. Excimer lasers are used in medicine. For examples, In ophthalmology to vaporize part of the surface layer of the cornea and thus reshape the cornea to… …   Medical dictionary