Hi, i want ask your help i'm going to build RGB projector i've made the 445nm diode with M140 and the 532 from meierlight. Now i want to add a 1 watt 635nm CW laser diode with a pair of ML501P73 Mitsubishi 638nm 500mW.
I've got 2 problems: the beam spot/divergence and the driver.
In the first...