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Lasers designed to produce alexandrite and Nd:YAG beams that are combined in one system intended for dermatologic treatments. The beams produced by the laser with alexandrite as an active medium usually operates at a wave length of 755 nm (red) while the radiation from the Nd:YAG laser (yttrium-aluminum-garnet crystal doped with neodymium) is at 1064 nm (near-infrared). The combined systems may be used in the same dermatologic applications that each of the individual alexandrite and Nd:YAG lasers are intended; the combined systems are particularly used for hair removal (mainly cosmetic) treatments.
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