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  1. R

    Looking to build a small "sky-laser"

    Can you recommend of a specific model with this 1W NDG7475 520 nm laser diode? with heat sink and driver? i think you convinced me into it, ill just use this 1W laser with some beam extender and i think i will get what i'm looking for and be on the safe side. how's this product...
  2. R

    Looking to build a small "sky-laser"

    Haha sure i know, i though it was some kind of short for some kind of laser. I'm not doing all this to locate my tent! i want to do it for artistic reasons, i want to create a big diameter laser beam that you can see for far away, and to locate it on top of some kind of wooden tower we will...
  3. R

    Looking to build a small "sky-laser"

    Thanks for your response, i may have to re-think the idea for safety reasons, but i do want to point out that my goal is to expand the laser beam to a diameter in which the energy density won't be dangerous anymore by using a lens. (even 3-5 W laser won't be so dangerous if the beam diameter is...
  4. R

    Looking to build a small "sky-laser"

    Hi, I want to build a small "sky-laser" to locate near my tent at festivals. I will use 2 X 12 V batteries, 7.2 Ah each (total 14.4 Ah @ 12V) so i think 3-10 W laser could be good. I have a voltage adapter so i can use any voltage necessary. Could you recommend a specific laser diode to use...







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