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[GL] Princeton Engineers Create Laser From Air.

post #1 of 11
Thread Starter 


http://www.gearlog.com/2011/01/princ...create_las.php

Quote:
Princeton engineers have come up with a way to create a laser beam out of thin air. Their method, published in the journal Science yesterday, uses a focused laser pulse which causes another beam to be created from the air, carrying fingerprints of any molecules it encounters to a receiver. The effect comes from the first laser energizing oxygen atoms in a specific area and, as they cool, causing them to release infrared light, exciting more atoms and amplifying the process.
Laser eyes eh?

Sign me up
post #2 of 11
so u need a laser... to make a laser
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post #3 of 11
Quote:
Originally Posted by Ubernoobie View Post
so u need a laser... to make a laser
That was my thought exactly.
post #4 of 11
^^^^

This. It is pointy though.
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post #5 of 11
You can't have layzurs without layzurs... silly
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post #6 of 11
Call me when we finally get lightsabers!
post #7 of 11
Quote:
According to the story, the group envisions a device small enough that it could be mounted on a tank and used to search a roadway for bombs, making it not just cool as a gadget, but also a potential life saver for troops in Iraq and Afghanistan.
I know what they mean but "small" and "tank" shouldn't go together.

Quote:
Originally Posted by Ubernoobie View Post
so u need a laser... to make a laser
Yeah, but the first laser makes a different type of laser. Its like at a carnival. I want to hit a high bell with a weight but its easier to accomplish by hitting the lever with a hammer and launching the weight rather than the weight itself.
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post #8 of 11
Potential applications:

burning retinas
?

Profit
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post #9 of 11
Quote:
Originally Posted by shaolin95 View Post
Call me when we finally get lightsabers!
Your "lightsaber" sir.



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post #10 of 11
Wow... 2 whole hours and not one "Yo dawg, we heard you like lazers so we made a lazer with a lazer so you can lazer while you lazer!"
 
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