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We all know that Lasers are dangerous gadgets. So I have a hypothetical question on how it all works. If we all go back to when we were kids with a magnifying glass, we know the light beem has to be focused pinpoint beam to burn that ant! We know a 100mw laser when pinpoint focused is more...

Just thought I would drop in and say. THANKS GUYS ! After a few dumb newbie questions and a little help from some of you guys, I was able to put together just the laser I was looking for. Unlike most, I was not interested in a ligh show..or burning a match stick. I wanted a laser designator...

Thanks guys for your help so far. I have built a couple LM317 based drivers, and have a couple units working. Unlike most here, this setup is not for a focused burning, but rather for a wide beam night illumination hunting system.IR all the way. you guys have me so worried about the dangers of...

Hello all, building my first laser. HOORAY ME! , Nice site you guys have here! I did not like using idea of using the little driver boards out of the laser pointers. Instead I figured it would be better and a little more educational to make one. This is the one I have settled on, I like...