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Old 01-09-2008, 12:15 AM #33
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Default Re: A few pieces of glass:

Quote:
Originally Posted by mliptack
Alright... I'll take your word for it... as long as once it goes into production I get Serial Number 0004 ;D ... what can I say I like the #4...

if thats the case, i get 007 8-)


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Old 01-09-2008, 12:53 AM #34
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Default Re: A few pieces of glass:

Hi all,

Busy day. But first... THANK YOU likewhat for the reference. Alas, that was the article I was thinking of. The Bose-Einstein Condensate may be a bit beyond my reach (I have a friend with a Bose sound system...??? ) but:

I also found a much cheaper alternative: MICA! Apparently MICA has the property of creating an optical delay with minimal losses. I learned this from the man who today, GAVE ME several polarized cube beamsplitters centered on the 633-650nm wavelength. They're very cool & make really nice colors as you turn them!

More coming soon.... Along with more research on mica as an optical delay medium.

Dave

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Old 01-09-2008, 03:42 PM #35
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Default Re: A few pieces of glass:

Quote:
Originally Posted by BlueFusion
Well if the beam is bright enough to see in broad daylight...
It's a safe bet, though, that nobody's gonna wave that beam around and accidentally get his eye.
And what frakin goggles are you gonna use with 30W of WHITE??? what, a black piece of steel?
Heh, well you can buy multiple coated goggles that protect you from white light, it does, however, block out more of your visible spectrum and cuts down on your vision significantly.

Goggles of an Optical Density of 6 or 7 would be adequate. It would bring 30000mW down to a very reasonable level.

And the same topic arose about the guy not wearing goggles over at PL. He SHOULD be wearing goggles no matter what, but in his defense he also has his hands behind his back and is not adjusting anything, and I also doubt it is at full power.

Quote:
I have a few questions though.I see the arctos is using a cr*p load of dvd diodes(?) 2 green DPSS modules....what laser is the 445nm blue?
DVD diodes... hardly ;D Although it would be funny to go to the Arctos manufacturing facilities and seeing a bunch of workers ripping apart DVD burners for their diode

And yes, 445nm diodes... apparently you can get these @ 500mw for about a grand or two a piece maybe a bit more... but you have to buy at least 10

But still for say 20 grand you COULD have about 5 watts of 445nm ... not too bad...
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