Carbon Dioxide laser - Laser de Dióxido de Carbono
Argon ion laser - Laser de Argón iónico
Semiconductor (diode) lasers - Laser semi-condutor de diodo
Chrystals Lasers - Laser de cristais
Chemical Lasers - Laser químico
"(...)The Helium-Neon laser is the most common and inexpensive gas laser, and usually constructed to operate in the red spectrum at 632.8-nm wavelength. It can also be constructed to produce laser action in the green spectrum at 543.5-nm wavelength and in the infrared spectrum at 1523-nm wavelength.
The Carbon Dioxide (C02) laser is capable of continuous output powers above 10 kW. It is also capable of extremely high power pulse operation. It exhibits laser action at several infrared frequencies, but none in the visible spectrum.
The Argon ion laser can be operated as a continuous gas laser at about' 25 different wavelengths in the visible spectrum between 408.9 nm and 686.1 nm, but is best known for its most efficient transitions in the green spectrum at 488 -nm and 514.5-nm wavelengths.
Semiconductor (diode) lasers, such as the gallium: arsenide (Ga:As), were the first diode lasers developed and used as therapeutic modalities.
Crystal lasers include neodymium:yettrium- aluminum-garnet (Nd:YAG) and synthetic ruby lasers.
Liquid lasers (dye lasers) use an organic dye as the lasing medium.
Chemical lasers are extremely high powered and are mostly used in the military.(...)"
in http://www.bodytuning.us/articles/16-the-light-touch
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