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  1. U

    Rate my build! [PICS!]

    Here is my first ever DIY laser!:D It is a 650nm ~200mw short open can diode with a lm317 driver at 300mA The host is a Cree 7W citipower flashlight (7$ on ebay) It uses 2 x CR123 16340 batteries I was surprised by its sturdiness and weight, it really feels well-built, aka nothing...
  2. U

    Beam problem

    I finished my first 650nm SOC @ 300mA build yesterday, lasers are amazing! so i am wondering is the beam supposed to look like this from around 6m? I can see interference patterns and a lot of random speckles heres the same beam with less power and also, i seem to have a scratch on my lens...
  3. U

    New green laser mod

    Is it possible to change the pump diode in a cheap ebay green laser for a higher powered one for more 532nm output? If it is then it would be too good to be true?:p
  4. U

    First build with SOC diode

    i have this short open can diode(SF-AW210 red) i got for 6$ on ebay and i want to build a lab style laser with it. i searched for a couple of hours and decided to build what you guys call a DDL driver Also, does anyone know something about the laser module here i am going to use...


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