Laser light is typically near-monochromatic, i.e., consisting of a single wavelength or color, and emitted in a narrow beam.
The laser was proposed as a variation of the maser principle in the late 1950s, and the first laser was demonstrated in 1960.
Science fiction films special effects often depict laser beams propagating at only a few metres per second—slowly enough to see their progress, in a manner reminiscent of conventional tracer ammunition—whereas in reality a laser beam travels at the speed of light and would seem to appear instantly to the naked eye from start to end.
According to laser therapy treatment protocol for open wounds, a single diode laser probe was used for biostimulation of the wound bed and the wound periphery.
The advantage of a laser therapy is encompass bayed volume, that with its (her) help it is possible to affect different bodies (organs) and tissues of and organism, calling (causing) indispensable reacting of these tissues and bodies (organs) and if necessary it is possible to receive the greatest effect in indispensable period.
Laser devices used in all groups of patients were infrared diode laser (GaAlAs) 830 nm continuous wave for treatment of TPs and HeNe 632,8 nm combined with infrared diode laser 904 nm.
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