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  1. U

    About multimode red laser diodes

    Which multimode red laser diode has the smallest divergence?
  2. U

    Nice to meet you

    hello. I am currently 21 years old and became interested in lasers after watching StyroPyro's 3w 445nm video a few years ago. Since then, I have learned a lot of information about making laser pointers and made a 1w laser using parts designed to be compatible with the ndg7475 diode, survival...


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