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    laser gun

    Hey guys :) I'm wondering about the theoretical possibility of making a laser gun. Does anybody know what kind of power density you need to burn a hole in meat? I have some hundred mW lasers, but clearly they don't work even if focussed, what would work? john
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    Cheap visible beam

    G'day mates, I had a friend inquire about the possibility of using some kind of cheap laser system to produce some fairly visible beams of laser light for an art project. This got me thinking, I have a PHR-803t laser 100mW 405nm and although it's beam isn't very visible, if a florescent liquid...
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    Homemade phr lasers

    G’day all, I thought I’d share some pics on two homemade lasers I made. I purchased a phr-803T sled and harvested out the 405nm and red diode, I placed the UV diode into an aixiz module and put the red into half an aixiz module. I must say, the UV laser was so much brighter than I expected it...


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