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most powerful diode for DIY

ben74

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Just wondering what is the most powerful red diode that can been made into a pen laser.
 





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Most will say about 300mW for an open can diode, but you can get some 9mm 500mW red laser diodes that are multimode that I guess you could turn into a pen laser with a low duty cycle, the beam specs would be horrible though.
 

ben74

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Would you been abel to focus the 500mW because that would take away the bad beam specs.
 

chido

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It would still have bad beam specs. Plus those diodes are expensive, even on ebay.
 
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Yeah, the prices on those things are horrible. They are near impossible to collimate because they have such a wide emitting area IIRC.
 




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