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AhMunRa · Posted: Thu Mar 10, 2011 11:00 am Post subject: DIY Laser Pulse Gun

Well boys and girls, yesterdays science fiction is yet again todays science fact. The first handheld laser pistol has been created for real.

http://hackaday.com/2011/03/10/youll-shoot-your-eye-out-with-a-1mw-laser-pulse-pistol/

Geri · Moderator Reputation: 111 Joined: 05 Feb 2010 Posts: 5627

Laser guns are not new stuff at all. But the video is kinda funny. "Moment of impact" with a laser gun in a room. I mean how much time does it take for a laser gun to reach the target which is in 5 meters max? Smile

ipivb · Posted: Thu Mar 10, 2011 1:13 pm Post subject:

At first I thought it was one milliwatt, then I watched the video and it said megawatt. That's extremely powerful for a laser. Just one watt is enough to easily burn through a CD case... a megawatt is one million times stronger.

This would be extremely dangerous to the user as well. You would certainly need eye protection. Apparently it's only a 100ns burst, but with so much energy, even that short of a burst could possibly do damage. Even more dangerous is that it's invisible (ordinary cameras detect IR light, but our eyes don't), so you wouldn't feel pain in your eyes, even though there is damage.

Quite magnificent, but it seems there's little info in that article. I'm curious as to how its divergence is and where the focal point is. If divergence is bad and focal point is close, then it doesn't have any range... which defeats the whole purpose of a gun.

AhMunRa · Posted: Thu Mar 10, 2011 1:18 pm Post subject:

I suspect that given most of the objects shot in the video are less than 3 meters away it has a very limited range.

Still the cool factor to be the first on your block with a firing laser pistol would be awesome.

atom0s · Posted: Thu Mar 10, 2011 3:10 pm Post subject:

Wouldn't say this is the first, Kipkay made one a while ago. Not saying his was the first either, but it's not a first for sure.

Still, looks cool though lol.

Seergaze3 · Posted: Sat Mar 12, 2011 9:54 am Post subject:

I wonder if the military would start using them

ipivb · Posted: Sat Mar 12, 2011 6:09 pm Post subject:

Radiation · Posted: Sat Mar 12, 2011 6:47 pm Post subject:

lol, i wonder what the speed of the projectile is... speed of light? ha perfect aimbot!

hcavolsdsadgadsg · Posted: Sat Mar 12, 2011 7:11 pm Post subject:

what happens when you come up against armor made of mirrors

Radiation · Posted: Sat Mar 12, 2011 7:13 pm Post subject:

Geri · Moderator Reputation: 111 Joined: 05 Feb 2010 Posts: 5627

Radiation · Posted: Sat Mar 12, 2011 8:43 pm Post subject:

ipivb · Posted: Sun Mar 13, 2011 4:14 am Post subject:

Most likely the mirrors would be made with plexiglass and not be so breakable.

On top of that, glass absorbs IR light. So if the laser were powerful enough to burn through the tank, it should easily melt through the mirrors.

Plus, I don't think a laser pistol is even that effective. It's "bullet" of light is so small, there's plenty of places where it could travel right through your body and not only would you live, you wouldn't even be immobilized.
If someone can survive a shotgun round that removes 1/3rd of their brain, I'm kinda thinking a pin-sized laser beam is not going to have any practical use in a military situation.

Geri · Moderator Reputation: 111 Joined: 05 Feb 2010 Posts: 5627

Radiation · Posted: Sun Mar 13, 2011 4:46 pm Post subject: