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    Building 1w 635nm diode with ML501P73

    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...