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  1. ClassyLich

    How would I go about Making a Blue, 5mW Laser Pen?

    It's been many years since I've done anything with lasers, and I've always wanted a blue laser pen that wouldn't fry anyone's eyeballs; a laser with a power <=5mW. I'm not sure where or how to begin. Are there even any diodes that would work for this?




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