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Old 10-18-2013, 08:50 PM #1
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Default Digital Laser Breakthrough - LCD Screen Rather than Front Mirror

Irrelevant



Last edited by madmacmo; 12-15-2013 at 07:53 PM. Reason: Irrelevant
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Old 10-18-2013, 11:31 PM #2
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Default Re: Digital Laser Breakthrough - LCD Screen Rather than Front Mirror

Your really finding some great new things in the laser world. Thanks for sharing your finds
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Old 10-19-2013, 12:26 PM #3
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Default Re: Digital Laser Breakthrough - LCD Screen Rather than Front Mirror

It's cool, but it looks like they're just affecting the mode pattern on the output. Forming an image is a bit different. I don't know if the mode pattern is sufficient to apply something like a discrete cosine transform, in the manner that JPG blocks are generated, to produce an actual "image."
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Old 10-21-2013, 02:08 PM #4
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Default Re: Digital Laser Breakthrough - LCD Screen Rather than Front Mirror

What would be truly amazing (and probably impossible) is if they could make some kind of LCD type crystal that goes in a laser diode that can be use to change the wavelength on the fly.
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Old 10-22-2013, 01:35 AM #5
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Default Re: Digital Laser Breakthrough - LCD Screen Rather than Front Mirror

Quote:
Originally Posted by Blarg King View Post
What would be truly amazing (and probably impossible) is if they could make some kind of LCD type crystal that goes in a laser diode that can be use to change the wavelength on the fly.
Wouldn't that only work if you had a true white diode? meaning the outputted light was comprised of every single wavelength of visible light..
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Old 10-22-2013, 03:28 AM #6
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Default Re: Digital Laser Breakthrough - LCD Screen Rather than Front Mirror

Ill pass, that thing mode hops too much.














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Old 10-22-2013, 09:55 PM #7
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Default Re: Digital Laser Breakthrough - LCD Screen Rather than Front Mirror

headline should read: South African Scientists Make the Best out of Broken CO2 Laser

Looks like they are shaping one of the "mirrors" to selectively reflect a pattern, almost as a guide, and the tube creates the lasing modes. Still, seems like someone would have tried this already.
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Old 10-24-2013, 07:49 AM #8
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Default Re: Digital Laser Breakthrough - LCD Screen Rather than Front Mirror

When they manipulate for single mode, high power and zero beam divergence, I want one.
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