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Old 05-24-2013, 07:33 PM #1
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Question New guy.

Hi all. I am a fiber optics technician for the telephone company.
I came to the forum to see if anyone can advise me on a personal project.
And the question is........
Are there any two invisible lasers that, when combined (crossed,) produce a visible light?



Last edited by MisterMcCool; 05-24-2013 at 07:33 PM.
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Old 05-24-2013, 08:04 PM #2
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Default Re: New guy.

Hello,nice to meet you.I'm not professional or lasers expert,but in my opinion two invisible lasers combined don't make visible.But wait for experts opinion
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Old 05-24-2013, 08:20 PM #3
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Default Re: New guy.

Quote:
Originally Posted by MisterMcCool View Post
Hi all. I am a fiber optics technician for the telephone company.
I came to the forum to see if anyone can advise me on a personal project.
And the question is........
Are there any two invisible lasers that, when combined (crossed,) produce a visible light?
Hello MisterMcCool, I believe the answer is no, however if your not familiar with DPSS lasers then you may want to read up on the subject. They use an IR pump diode and send it through a couple of crystals and optics to convert it to visible light.

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Old 05-24-2013, 08:25 PM #4
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Default Re: New guy.

Hi Mr. McCool,
Don't know about invisible lasers, but this may help...
Many Bothans Died to Bring You This Working 3D Hologram

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Old 05-24-2013, 08:27 PM #5
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Default Re: New guy.

Well, that puts a damper in my plan.
I guess I will have to go with plan B.
Using two different colors that combine to form a third.
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Old 05-24-2013, 08:31 PM #6
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Default Re: New guy.



~ LB
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Alecto 405nm
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Gram (Wrath) 445nm ~ an SBA Lasers Custom Build (polished Kryton host 9mm 445nm)
Malice ~ an SBA Lasers Custom Build (Sinner MS-SSW host PL520)
MXDL host 56mw Fasttech green Pman custom build
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Gordon host 33mw Fasttech green Pman custom build
Dr. Evil & MiniMe (SL Twintask host 660nm Mrcrouse HS & FR - in dev)
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Old 05-25-2013, 05:39 AM #7
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Default Re: New guy.

Quote:
Originally Posted by MisterMcCool View Post
Well, that puts a damper in my plan.
I guess I will have to go with plan B.
Using two different colors that combine to form a third.
To do what? Just curious...
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Old 05-27-2013, 02:10 PM #8
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Default Re: New guy.

How about this, is there an invisible laser that reacts visibly to an infrared or ultraviolet light?
Or is that the same question?

Last edited by MisterMcCool; 05-27-2013 at 02:14 PM.
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Old 05-27-2013, 02:17 PM #9
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Default Re: New guy.

I am getting closer.
How to see infared lasers invisible to the human eye! (REALLY WORKS!) - YouTube
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Old 05-27-2013, 02:41 PM #10
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Default Re: New guy.

Quote:
Originally Posted by MisterMcCool View Post
Well, that puts a damper in my plan.
I guess I will have to go with plan B.
Using two different colors that combine to form a third.

Well 589nm lasers have 2 IR wavelengths fires into a crystal where they are doubled into one. Look up how 589/593.5nm lasers work.
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Old 05-29-2013, 03:57 AM #11
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Default Re: New guy.

I wonder what mixing 808nm and 365nm would do?
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