830 nm laser diode from 200 mW up to 20 W – fiber coupled 830nm laser diode
LASER TREE 20W Optical Power Laser Module for Laser Engraver Cutter, 80W Laser Engraver Module with Air Assistance, High Accuracy Quad-Compression Spot Laser Head, Engraving 340+ Colors On Metal Steel - Amazon.com
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LASER TREE K20 20W Optical Power Laser Module
808nm Laser Diode, 20W Module
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20W 4 Diodes Laser Module Head With Air Assist Dual Fans For CNC Laser Engraver Engraving Cutting Machine Wood Working Tools