Amazon.com: (40) Laser Head, Blue Laser Module, Ultra-Fast Engraving of Stainless Steel and Oxidized Metal, high Transmittance, with PWM TTL
Nichia 455nm 40W 5W*8 High Power Blue Laser Diode Bank NUBM0E LD Module
808nm, 40W, Fiber-Coupled Laser Diode Source System
Wood Working Tools Accessories | Laser Driver Laser Module | Laser Tree 80w Driver - 20w - Aliexpress
High Power Laser Diode Drivers (60 AMPS)
40W Laser Engraver Module 445nm Blue Laser Head for CNC Laser Engraving Machine | eBay
Coherent Laser Diode Bar 40W 808nm DPSS 1057693 Pump CCP High Power | eBay
Coherent 40W 808nm CCP Laser Diode Bar CS-Mount DPSS Pump TESTED Iop under 41.5A | eBay
40W High Power Laser Diode from Coherent / DILAS
Amazon.com: LASER TREE 40W Laser Module, 5W Optical Output Power Laser Cutter Module w/Metal Air Assist, Compatible with Laser Engraver Laser Cutter Machines CNC, 45mm Fixed Focus 12V
880nm 40W CS-Mount Laser Diode Bar Array with Ingeneric Fac Lens - China Diode Laser Bar, Laser Bar Fac Lens | Made-in-China.com
xTool D1 Pro 40W review: This 40W diode laser is really powerful
Amazon.com: AENBUSLM 40W (5W Output Optical Power) Laser Engraving Module, 450nm Laser Head for CNC Laser Cutter Machine, Ultra Fine Air Assist DIY Laser Engraving Tool Suitable for Wood Metal Acrylic Paper