What are three types of lasers?
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Lasers are categorised into five main types based on their gain medium, which determines the type of laser needed for different applications. These include Solid-state laser, Liquid-state laser, Gaseous-state laser, Semiconductor laser and Metal Vapour laser.
Lasers are basically classified into 5 types based on their active medium. They are
Solid-state laser-A solid-state laser is one that utilizes a crystal, whose atoms are rigidly bonded, in contrast to a gas.
Liquid-state laser-A liquid laser, as the name suggests, involves the liquid as a laser medium.
Gaseous-state laser-A gas laser is a laser wherein an electric flow is released through a gas inside the laser medium to deliver laser light.
Semiconductor laser-A semiconductor laser is usually referred to as a laser diode since it works similar to a diode with current flowing in the forward direction of the junction.
Metal Vapour laser-Metal vapour lasers are a sort of gas laser which uses a metal vapour as a laser gain medium.
Overview.
Gas lasers.
Chemical lasers.
Dye lasers.
Metal-vapor lasers.
Solid-state lasers.
Semiconductor lasers.
Other types of lasers.