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Hey. I have some questions that I couldn't find answers which were really satisfying . I still dont exactly know how focusing a laser really works. I have a small red diode and a collimator both from a dvd burner. what is the best way to find out how to focus it? I mean yeah i can point it on a...

Hey there, I was inspired by another threat to look for the strongest laser diode I can find that a person can buy on the internet and I found THIS: Osram 70W laserdiode Now I tried to find more information about this but wasnt too sucessful. After reading this pdf I still dont excactly know...

Hey! I was thinking that maybe the best protection for the eyes against all colors of laserlight would probably be some videoglasses hooked up to a camera, because no matter how strong the beam is the lcds of the glasses cant blind you (except maybe for some really crappy glasses) Also this...

Hey Guys I read a threat about using a telescope with a laser and I was wondering if a objective lens of a small sized camera wouldnt be useful for using with a laser? I mean if I manage to control the focus and zoom seperately I could have a pretty handy and even retractable device. Would be...

Hey folks! I thought about this topic for a long time now and want to hear other peoples opinions (and wisdom of course ;)). companies like brother (the air scouter) have made different products that can project pictures right in to your eye. Brother stated that they use laser diodes to project...

Hey there! I want to build a real small laser (as small as possible). As far as my knowledge goes any laserdiode needs a lens to reach its full concentrated power. right now I am using a red laserdiode I harvested from a 16x DVD burner. Now what lenses would be best for using with this little...