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Educational Resources

Direct Diode Laser

A direct diode laser (DDL), as the name implies,  is a laser originating from  diodes without amplification in a crystal such as Nd:YAG. Since it is direct, the diode laser has a very simple construction and high conversion efficiency.  It is MUCH more efficient than an Nd:YAG laser.  The typical operating wavelength of a direct diode laser is 915 nm.
Efficiency of direct diode laser vs Nd:YAG