LASERLight consist of many wave lengthsThe FDA approved lasers for permanent hair reductionWhen was
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the Ruby crystal laser invented
The Ruby crystal uses what wavelength
In 1960 the ruby crystal was invented and used for
ELECTROMAGNETIC SPECTRUM of RADIATION
The light we see belongs to what spectrum
The spectrum of light is arranged by its frequency of its waves
Wavelength
Short wave length
Long wave length
Ruby laser
Alexandrite
Diode
Nd Yag
Ruby
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