active laser medium

Active laser medium — The active laser medium or gain medium is the source of optical gain within a laser. The gain results from the stimulated emission of electronic or molecular transitions to a lower energy state from a higher energy statepreviously populated by a… …   Wikipedia

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

Laser-guided bomb — A laser guided bomb (LGB) is a precision guided munition (PGM) that uses semi active laser homing to strike a designated target with greater accuracy than a free fall bomb. LGBs are one of the most common and widespread PGMs, used by a large… …   Wikipedia

Laser (debit card) — Laser is the primary debit card system used in Ireland. Laser was launched in 1996 and currently has around 2.5 million customers. Seven Irish financial institutions are partners in the Laser card system: Allied Irish Banks, Bank of Ireland, EBS… …   Wikipedia

Laser TV — is a new video display technology using laser optoelectronics.HistoryProposed as long ago as 1966 [cite web url=http://www.insightmedia.info/reportinfo.php?2006laser title=2006 Laser Projection Systems Report publisher=… …   Wikipedia

Laser beam profiler — A laser beam profiler captures, displays, and records the spatial intensity profile of a laser beam at a particular plane transverse to the beam propagation path. Since there are many types of lasers ultraviolet, visible, infrared, continuous… …   Wikipedia

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

Active protection system — An active protection system, or APS, protects a tank or other armoured fighting vehicle from incoming fire before it hits the vehicle s armour. There are two general categories: soft kill systems, which use jamming or decoys to confuse a missile… …   Wikipedia

laser active medium — aktyvioji lazerio terpė statusas T sritis radioelektronika atitikmenys: angl. laser active medium vok. Lasermedium, n rus. лазерная активная среда, f pranc. milieu actif laser, m …   Radioelektronikos terminų žodynas

laser à liquide avec circulation d'un milieu actif — cirkuliuojančio aktyviojo skysčio lazeris statusas T sritis radioelektronika atitikmenys: angl. circulating active liquid laser vok. Flüssigkeitslaser mit strömendem aktivem Medium, m rus. жидкостный лазер с циркуляцией активной среды, m pranc.… …   Radioelektronikos terminų žodynas

laser diode — noun A laser whose active medium is a form of light emitting diode …   Wiktionary