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  1. J

    Hello

    Hello Guys, I like to be a new member in this Forum. I am living in CA now and I am an optical engineer. I am still learning optics and science now.
  2. J

    Laser projector

    Please direct me to the welcome section to say "Hello".
  3. J

    Laser projector

    Hi Guru, I am building a laser projector using Red, Green and Blue laser diode to generate 200 lumens. How to calculate each of laser diode power to make 200 lumens? My understanding is that if each laser diode provides 66.6 lumen, the total will be about 200 lumen. Is it correct? Best, James




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