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Er:YAG lasers are solid-state lasers whose lasing medium is erbium-doped yttrium aluminium garnet (Er:Y3Al5O12). Er:YAG lasers typically emit light with a wavelength of 2940 nm, in the infrared. Unlike in Nd:YAG lasers, the frequency of Er:YAG lasers is strongly absorbed by water due to atomic resonances. This limits its use in surgery and many other laser applications which have water present. Because of this limitation Er:YAG lasers are far less common than relatives such as Nd:YAG and Er:glass.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Er:YAG_laser". A list of authors is available in Wikipedia.|