NICHIA NUBM08 4.75W/5W 450/455nm Blue light laser diode - BeamQus
Amazon.com: AENBUSLM 40W Laser Module Kit, 5W Diode Laser Module for Engraver Cutter, Ultra Fine Air Assist Laser Head for DIY Metal Wood Leather Glass, Compatible Most Laser Engraving Cutting Machine, 12V
Osram PLPT9 450LB_E 450nm 5W Blue Laser Diode
Laser Component FAC TO3 Package 5000mW 5W 808nm/810nm Infrared IR Laser/Lazer Diode LD: Amazon.com: Industrial & Scientific