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Old 10-12-2015, 06:44 PM #1
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Default M140 445nm intesity reduced help

Hi everyone,
I really need help regarding my laser. I have bought 2w laser 445nm diode from ebay. At the start it was working fine. There was no issue. I was using current voltage variable power supply for testing. But suddenly its intensity reduced. before it gave first mark on 550 ma where as now it's doing nothing event at 1.2amps. what is the reason behind that and if there is a sol for it please help because importing laser through ebay in my country require lot of time which i dont have.


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