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Ok, I will have the driver only putting out 1.5 amps and will get thermal paste for the driver. Hopefully it will work :D

Thank you for the help! Ill just get a driver that outputs 1.5 amps modify it myself to do so and it should work fine.

Ok so when testing, it gets brightest at 1.5 to 1.6 amps at around 4.2 volts an gets slightly dimmer after that, but when I turn the power back down its instantly brighter and can cut nicely. So it seems that it doesn't want the full 1.8 amps at 4.7 volts, and if the driver put that out,maybe...

I'm at college for an electrical engineering degree now so luckily I have access to a full lab of professional equipment. Also I have never run a diode from a lab power supply, how exactly do I go about that without frying the diode? I think the driver may have been bad so I will definitely try...

It is the x Drive buck to be precise. I dont have it in a housing yet, de-wired it when it wasnt working test pieces individually but here are the components used: http://www.amazon.com/1-8A-X-Drive-V6-Laser-Driver/dp/B00V5CF0MU/ref=sr_1_1?ie=UTF8&qid=1445926371&sr=8-1&keywords=x+drive+laser...

Hello all, This is my second laser build. I am fairly new to lasers, but not new to electronics and other dangerous diy devices. Anyway, I have a 2w m140 diode at 445 nm running off an x-drive powered by a 2 cell lipo pack. At first it was able to light paper on fire and was intensely bright...