Ok, I'm done busting my BDR-09's with cheap chinese drivers. Last time I did everything right (I hope so), used dummy load to set the current (with enought margin), checked cables, soldered everything together but still end up LEDing the laser on first try. :mad:
I have some questions regarding...
Hi, I have bought laser cutter with 5.5W 450nm laser. After testing I have found out that the laser spot is rectangular, which is normal thing for laser diodes, but is there any chance to focus the laser to be square? Any kind of special multifocal lens? It matters when cutting very thin lines...