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Most powerful diode i can get here?

mordax

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Sep 23, 2014
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Hey, what is the most powerful diode i could get from people on this forum?
I saw a video of 6w laser and it's amazing (hand held), now i'm looking for a diode, i doubt i'm going to buy it right now, since i have a 2w blue laser build in progress, but i just want to gather info regarding such powerful diodes.

to think of it, 6w is very small power actually, so are there more powerful ones?
I know there are like 100w industrial ones, but those are short range and meant to cut metal (i think), i'm looking for a hand held laser for show, like the 2w 445nm blue i have now.
I've seen 3w diodes for sale too, but anything above i haven't encountered at all.
 





ARG

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Feb 27, 2011
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Hey, what is the most powerful diode i could get from people on this forum?
I saw a video of 6w laser and it's amazing (hand held), now i'm looking for a diode, i doubt i'm going to buy it right now, since i have a 2w blue laser build in progress, but i just want to gather info regarding such powerful diodes.

to think of it, 6w is very small power actually, so are there more powerful ones?
I know there are like 100w industrial ones, but those are short range and meant to cut metal (i think), i'm looking for a hand held laser for show, like the 2w 445nm blue i have now.
I've seen 3w diodes for sale too, but anything above i haven't encountered at all.

1. You can get diode bars beyond 40W
2. Search. There is plenty of info out there on high power 450nm diodes.
3. 6W is by no means low power for a laser, especially for one in the visible spectrum. A 100W handheld would just be stupid. There is a point at which it does become too much power to be practical in a handheld.
 

mordax

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Sep 23, 2014
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1. do you know any specific topics where someone is selling a really high powered 445nm diode?

3. i know that 6w @ 445nm can do some SERIOUS damage, but i wasn't referring to how dangerous it is, i was referring to the 6w power. PC fans are like 1-2w each, you can easily run those things off of small batteries, that's what i was referring to, that 6w running off of batteries is nothing.
I saw 6w handheld on a video, it's insane.

i'm just collecting info, it was last year when i built my first 300mW red laser, so im somewhat new to this and just discovering what is available and how much stuff costs.
 
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3. i know that 6w @ 445nm can do some SERIOUS damage, but i wasn't referring to how dangerous it is, i was referring to the 6w power. PC fans are like 1-2w each, you can easily run those things off of small batteries, that's what i was referring to, that 6w running off of batteries is nothing.

You realize it isn't 6W in=6W out, right? Running a NDB7A75 at 6W (not recommended) is something around 24W input power. That means theres 18W of power to be dissipated, and if you know simple physics you know power is dissipated as heat. Something like a 100W diode bar array is something on the order of a hundred-ish amps @ 2-ish volts, so 400W in, 100W out- thats 300W of heat to dissipate. That is no small order. Theres a reason those things are mounted on giant heatsinks and usually are water cooled as well.
 




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