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    Batteries....18650 style

    I have just finished building my first laser. I used a survival laser stainless steel host with their battery blank board. I got a 2 watt 445nm module from DTR. Now I have ordered 2x Ultrafire 18650 Rechargable batteries. but they are coming from china... damn you ebay! Those batteries are...
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    Question about goggles

    I own a cosmetic/aesthetician clinic and we have: 1064 YAG 2940 urbium 850 diode laser I have goggle for each of these machines. I am building a 445nm 2Watt laser. I wanted to know if i can use these goggles or not? I assume the answer is probably no because the spectrum is too high. Thanks.
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    My first build....

    Well I have been debating this for a long time now. I am mainly interested in doing this because I have a saltwater tank and I have some nasty pesky aptasia's and I can't get rid of them. I have tried everything and its resulted in me going this route. Here is my shopping list. Please let me...


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