Old 02-12-2008, 01:25 AM #1
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Default IR lasers

Can some one explain the charecteristics of an IR laser, i know they burn, but is the beam white or red or invisable or what?



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Old 02-12-2008, 01:31 AM #2
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Default Re: IR lasers

The light isn't that visible, you just see a deep red glow, so you should get proper eyewear before messing around with these. You might be blinding yourself and not even know it until everything goes black. Scary.
Here's a chart of wavelengths and how much each one is visible to the human eye:
(note, IR starts at about 750nm)
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Old 02-14-2008, 10:57 PM #3
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Default Re: IR lasers

Quote:
Originally Posted by aces4al
Can some one explain the charecteristics of an IR laser, i know they burn, but is the beam white or red or invisable or what?
A really long wavelength like one from a CO[sub]2[/sub] laser would be totally invisible. :P
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Old 02-14-2008, 11:36 PM #4
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Default Re: IR lasers

Chido, nice chart, answers my question and more.
Nice!
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