Laser Diodes Optical

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The laser diode is the basic laser component . It is a semiconductor similar to that found in a light-emitting diode. The laser diode is formed from a p-n junction and powered by injected electric current. There are many kinds of laser diode with the wavelength from 400nm - 1064nm. Most of the high power laser diodes are multi-mode, while < 300mW laser diodes are single mode.