Definition: Lasers which use a solid, as opposed to a liquid or gas, as the lasing medium. Common materials used are crystals, such as YAG (YTTRIUM aluminum garnet); alexandrite; and CORUNDUM, doped with a rare earth element such as a NEODYMIUM; ERBIUM; or HOLMIUM. The output is sometimes additionally modified by addition of non-linear optical materials such as potassium titanyl phosphate crystal, which for example is used with neodymium YAG lasers to convert the output light to the visible range.
/ther use: coordinate IM with disease /surg (IM), but for low-level laser therapy coordinate / ther use IM with disease /radiother (IM) + LASER THERAPY, LOW-LEVEL (IM)
