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808nm 300mw run hot or 500mw not

antdg

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Feb 1, 2012
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Hi

I did try to find the answer but did not really come up with anything. Im building a 808nm 300mw laser but had a little accident and blow the diode. I konw what went wrong and I wont be doing it again.
My question is should I build a 300mw laser and run it a full current or build a 500mw but run it at a low current to give me approx 300mw output.
I would like the laser to run for up to 2 / 3 minutes (more if possible) I was going to house in a this Heatsink / Laser Diode Housing for 5.6mm Diodes with Focusing Lens - Detailed item view - OdicForce Lasers Online Shop
What would you recommend? Is the above doable?
thanks
antdg
 





Joined
Dec 11, 2011
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Definitely go with 500mW run low, otherwise there is no way you'll reach your goal of 3minute run time without burning it out. Be careful with 300mW+ of NIR!!!! (WEAR GOGGLES)
 

antdg

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Feb 1, 2012
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Yeah I know the dangers of laser's, I have worked in the Telecoms industry for over 15 years. I have spliced fibre on and off for approx 10 years. I can remember using the old microscopes for checking how clean fibre connectors where. Today these are a small camera and viewing screen so you cant burn your eyes.

cheers

Antdg
 




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