With this quite more hefty diode you can expect to cut any color of paper, light plywood, thin leather etc. The so called M140 variety can go easily up to 2Watt when driven at 1.4Ampers. In ebay there are Blue 2Watt lasers scavenged from DLP projectors. With this little amount of power you can expect to engrave (in slow speeds) wood and paper, and cut colored paper. These are diven mostly around 300-400mA (to get around 200-250mW of power). The types you can expect to find are more or less the following: You can harvest RED LaserDiodes from old DVD burners. best with atached glass fibre (=pigtailed)ฤก Watt pigtail diode laser with optical head, different diodes with up to 25 Watts, different diodes with up to 500 Watts: Here a 10 Watt "sealed" RF-CO2-lasermodule - PS =, controlling per TTL-PWM-signal: turnkey-system with 10Watts 975nm, a visible red pilot-laser and jack for the glass fibre: ~1000 Euros (in quantities above 5 pcs). comercial 'naked' diodelaser with and 0.1mm atached glass fibre: ~230 Euros (in quantities above 5 pcs). ![]() See Laser_Cutter/Background Cost Estimate See the Laser Cutter Working for discussion. 8.2 Experimenting with Red lasers from DVD burners.8.1 Cutting Speed and other firmware considerations in RepRap firmwares. ![]()
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