Laser science — or laser physics is a branch of optics that describes the theory and practice of lasers. Laser science is principally concerned with quantum electronics, laser construction, optical cavity design, the physics of producing a population inversion… … Wikipedia
Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment … 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 cutting — process on a sheet of steel. CAD (top) and stainless steel laser cut part (bottom) Laser cutting is a technology that uses a laser to cut materials, an … Wikipedia
List of battery sizes — 4.5 Volt, D, C, AA, AAA, AAAA, A23, 9 Volt, CR2032 and LR44 batteries. This article lists the sizes and shapes of some common primary and secondary battery types in household and light industrial use. The long history of disposable dry cells… … Wikipedia
Différents types de laser — Liste des différents types de laser Ceci est une liste des différents types de lasers avec la longueur d onde sur laquelle ils opèrent et leurs applications. Il existe plusieurs milliers de sortes de lasers mais la plupart d entre eux ne sont… … Wikipédia en Français
Liste des différents types de laser — Ceci est une liste des différents types de lasers avec la longueur d onde sur laquelle ils opèrent et leurs applications. Il existe plusieurs milliers de sortes de lasers mais la plupart d entre eux ne sont utilisés que dans le cadre de… … Wikipédia en Français
Ion laser — An ion laser is a gas laser which uses an ionized gas as its lasing medium. [GoldBookRef|title=ion laser|file=I03219] Like other gas lasers, ion lasers feature a sealed cavity containing the laser medium and mirrors forming a Fabry Perot… … Wikipedia
Cyclops laser — The single beam Cyclops laser at LLNL around the time of its completion in 1975. Cyclops was a high power laser built at the Lawrence Livermore National Laboratory (LLNL) in 1975. It was the second laser constructed in the lab s Laser program,… … Wikipedia
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
