High Power 520nm-80 Green Dot Laser Diode Module with Cooling Fan for Clothes Cutting/Wood Cutting/Mechanical Positioning (Laser Module + Adapter + Bracket): Amazon.com: Industrial & Scientific
520nm 50mW Green Laser Diode OSRAM LD PLT5 520 TO56
520nm 80x9W NUGM02 Green Laser Diode 7W Bank - BeamQus
520nm, 20mW Laser Diode ( SINGLE MODE FIBER )
Sharp 520nm 500mW 600mW green laser diode TO 5 GH05C01A9G|Light Beads| - AliExpress