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Old 06-09-2013, 09:50 PM #1
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Lightbulb Combining 445nm and 405nm

Hello all,

I was wondering if anyone has tried combining these two wavelengths before, and if so, to what degree of success. It might seem a little bit pointless given the relatively similar wavelength, but I believe this combination (with a single-mode 445nm, and high-power 405nm), could produce a wholly 'purple' laser, perhaps averaging at 420-425nm in terms of intensity of observed light.

A PBS cube or a specialized dichroic mirror would be used for this purpose.

Thoughts, comments? Would this produce a more purple colour than the deep violet of 405nm?

Thanks,

AAlasers


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Old 06-10-2013, 05:21 AM #2
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Default Re: Combining 445nm and 405nm

Quote:
Originally Posted by AAlasers View Post
Hello all,

I was wondering if anyone has tried combining these two wavelengths before, and if so, to what degree of success. It might seem a little bit pointless given the relatively similar wavelength, but I believe this combination (with a single-mode 445nm, and high-power 405nm), could produce a wholly 'purple' laser, perhaps averaging at 420-425nm in terms of intensity of observed light.

A PBS cube or a specialized dichroic mirror would be used for this purpose.

Thoughts, comments? Would this produce a more purple colour than the deep violet of 405nm?

Thanks,

AAlasers
I am sure it gets tried now and then. Yes it would produce a more purple beam. Sounds like a fun experiment. Perhaps one of these will do the job: http://www.edmundoptics.com/optics/o...ombiners/86382
I myself hope to try for a yellow or orange one of these days.

Alan
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Old 06-10-2013, 05:27 AM #3
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Default Re: Combining 445nm and 405nm

I wanna try a yellow. A bright purple would be cool though


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Old 06-10-2013, 05:39 AM #4
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Default Re: Combining 445nm and 405nm

Yea ive also wanted to try a yellow, ive seen styropyro's vid and if you can get it right it looks pretty sweet
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Old 06-10-2013, 05:55 AM #5
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Default Re: Combining 445nm and 405nm

Jayrob has a cool tut here inspired by rog8811...

Tutorial: Yellow Pointer Project - Cool!

I'm thinking PBS too, but the dichro project looks cool

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Alecto 405nm
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Gram (Wrath) 445nm ~ an SBA Lasers Custom Build (polished Kryton host 9mm 445nm)
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Old 06-10-2013, 06:00 AM #6
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Default Re: Combining 445nm and 405nm

That jayrob tutorial is pretty awesome. Having a 3 modes on 1 laser is sweet
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