Error in the text: 1000mW laser with 532nm wavelength which is green light.
1000nm light is infrared.
Cross posted in https://lemmy.ca/post/64612634
this post was submitted on 09 May 2026
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~~Also worth noting that in a lot of places you'll need a license to legally own and operate a class 4 laser like that~~ Edit: I looked into it some more. This might only be true for commercial facilities. Idk though I'm not a lawyer
Oi mate you got a loicense for that diode
Don't even fucking joke
"class 4" is just the highest class, being over 500mw. Technically, the experimental lasers they use on warships are class 4 lasers.
Most countries don't restrict owning them, but they do restrict selling them. When you have one, it's kinda like owning a kitchen knife, perfectly legal, but as soon as you do dumb shit with it, thats still on you.
And class 4 lasers make it VERY easy to do dumb shit.
I don't think a license is going to help you if you're found walking around with a 7 watt laser hooked up to the relevant drive circuitry. They're still going to presume you're up to no good, and, when they find a camera with a burned sensor, they're going to assume it was you. I guess the moral of this is: don't get caught.
We were promised lighsabers and yet we can't even have a cool torch!