Old 08-21-2008, 03:51 AM #1
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Default what's a 3392nm IR laser good for?

This thing ain't cheap for 2mW.

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Old 08-21-2008, 03:52 AM #2
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Default Re: what's a 3392nm IR laser good for?

For a hobbyist, it's useless.

For a researcher who requires that wavelength for their experiment, it's very valuable
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Old 08-21-2008, 04:15 AM #3
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Default Re: what's a 3392nm IR laser good for?

2mW of heat is essentially what it is. Not all that impressive.
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Old 08-21-2008, 05:04 AM #4
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Default Re: what's a 3392nm IR laser good for?

Always keep in mind that lasers were never intended for the hobbyist. As such, novel laser systems will continue to be developed outside of the visible range to do things such as irradiate a target for thin film material deposition. You know...real science.

I find it very arrogant of anyone to question why a laser exists outside of their need to shine it around their room.

My two cents.
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Old 08-21-2008, 05:57 AM #5
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Default Re: what's a 3392nm IR laser good for?

Quote:
Originally Posted by FrothyChimp
Always keep in mind that lasers were never intended for the hobbyist. As such, novel laser systems will continue to be developed outside of the visible range to do things such as irradiate a target for thin film material deposition. You know...real science.
I find it very arrogant of anyone to question why a laser exists outside of their need to shine it around their room.
My two cents.
WHAT!!!!!!!




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Aren't I?



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Old 08-21-2008, 06:03 AM #6
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Default Re: what's a 3392nm IR laser good for?

YOU, my friend, have been replaced...say hello to my little friend, Mr. 3392nm laser.
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Old 08-21-2008, 06:08 AM #7
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Default Re: what's a 3392nm IR laser good for?

Quote:
Originally Posted by FrothyChimp
YOU, my friend, have been replaced...say hello to my little friend, Mr. 3392nm laser.

Well that certainly puts a kink in my plans for world domination.

Imma go outside now, and lick a frog, and find my new identity, (or was that my secret identity?).

Peace,
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Old 08-21-2008, 08:12 AM #8
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Default Re: what's a 3392nm IR laser good for?

Quote:
Originally Posted by daguin

WHAT!!!!!!!




But I'm the center of the universe!





Aren't I?
You are confusing yourself with me
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Old 08-21-2008, 08:30 AM #9
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Default Re: what's a 3392nm IR laser good for?

a lot of those 'weird wavelength' IR diodes are used for gas detection of some sort. I was reading about it somewhere and now I cant find the link....

EDIT: didn't click the link to see that it's a HeNe. Pretty neat!
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Old 08-21-2008, 08:43 AM #10
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Default Re: what's a 3392nm IR laser good for?

what would 3392nm give in Hertz frequency...? a noisy laser beam
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Old 08-21-2008, 09:06 AM #11
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Default Re: what's a 3392nm IR laser good for?

Is 3392 nm laser is gas laser?
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Old 08-21-2008, 07:57 PM #12
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Default Re: what's a 3392nm IR laser good for?

I had several of these IR hene lasers before. Pretty useless for the average joe laser geek. They are used in IR gas absorption spectrometers for industrial emission testing and IR optical lens testers mainly. Surprizingly, they went VERY, very high on ebay. As in over $500 each. Traded two of them for a coherent fieldmaster power meter and a synrad controller box

My buy it now was only $75 each for the first couple i sold too LOL
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Old 08-21-2008, 08:12 PM #13
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Default Re: what's a 3392nm IR laser good for?

The long wavelength diodes are called quantum cascade lasers... They are rather powerful, but are meant to operate in temp controlled chamber. They can be operated at room temperature about 5um too, but wavelength is STRONGLY dependent on temperature. Here is a picture of one that came from an explosives sniffing tool prototype that never made it to market. The range of this one was 4 to 5um. Note the greenish AR coating and znse window.
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Old 08-22-2008, 01:12 AM #14
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Default Re: what's a 3392nm IR laser good for?

Quote:
Originally Posted by heruursciences
The long wavelength diodes are called quantum cascade lasers... They are rather powerful, but are meant to operate in temp controlled chamber. They can be operated at room temperature about 5um too, but wavelength is STRONGLY dependent on temperature. *Here is a picture of one that came from an explosives sniffing tool prototype that never made it to market. *The range of this one was 4 to 5um. Note the greenish AR coating and znse window. *
How powerful? [smiley=evil.gif] What is the price?
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Old 08-22-2008, 01:46 AM #15
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Default Re: what's a 3392nm IR laser good for?

Um... Key phrase:

Quote:
Originally Posted by heruursciences
prototype that never made it to market.
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Old 08-22-2008, 01:50 AM #16
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Default Re: what's a 3392nm IR laser good for?

Quote:
Originally Posted by Cyparagon
Um... Key phrase:

[quote author=heruursciences link=1219290663/0#12 date=1219349529]prototype that never made it to market.
[/quote]
:-[ I didn't see that part...
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