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    Source for inexpensive, reliable <5mW green and blue laser diodes

    Hi, I am not a laser expert/hobbyist, but for a research project it turns out I will need need a steady source of inexpensive ($20-ish or less) and reliable <5mW 488 and/or 532 nm laser diodes (as close to 5mW as possible). I have tried purchasing several from Amazon, Digikey and other sites...




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