neodymium-yttrium-erbium glass laser
1Yttrium — (pronEng|ˈɪtriəm) is a chemical element with symbol Y and atomic number 39. It is a silvery metallic transition metal chemically similar to the lanthanoids and has historically been classified as a rare earth element. Yttrium is almost always… …
2Neodymium — praseodymium ← neodymium → promethium ↑ Nd ↓ U …
3Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment …
4Laser 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… …
5Différents 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… …
6Liste 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… …
7Active 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… …
8Dopant — This article is about elemental impurities. For the fictional characters in Kamen Rider W, see Dopant (Kamen Rider). A dopant, also called a doping agent, is a trace impurity element that is inserted into a substance (in very low concentrations)… …
9Samarium — promethium ← samarium → europium ↑ Sm ↓ …
10Rare earth element — Rare earth ore, shown with a United States penny for size comparison These rare …
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