Recent content by masukaa

thanks for you reply, would something like this make the job? laser diode what wavelenght and output voltage is needed for the laser to be visible and be safe for the public.

Hi everybody, I stumble upon this image (below) and I was wondering if any of you can tell me what lasers they were using. I want to do a similar project and I would love to know how they did it. thanks in advance, Joan