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Old 02-15-2008, 11:07 PM #1
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Default dichro cubes for beam combinations.

i want to mix red and green to make yellow and also adding blue to make white - using them polarised dichroic cubes.
someone showed me some of these on edmundoptics - at the time they were going for about $26.
when i emailed edmundoptics about this - they pointed out some dichors that cost $250

whats the cheapest dichros i could use for this experiment? basically i just wana shine red/green laser thorugh different angles to create a yellow beam.
i heard a basic way of doing it with a mirror, scratching a bit of the reflective coating off, but that didnt work.
if any1 can point me in the right direction, much appreciated thanks!


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Old 02-16-2008, 07:18 AM #2
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Default Re: dichro cubes for beam combinations.

Head over to mliptack's optics GB. It's not an easy thing you're trying to do, but he has dichros and mounts for the cheapest ive ever seen.
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Old 02-16-2008, 09:15 AM #3
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Default Re: dichro cubes for beam combinations.

http://www.edmundoptics.com/onlineca...productID=2433
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Old 02-16-2008, 12:38 PM #4
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Default Re: dichro cubes for beam combinations.

If you have the blue-ray sled you can use the cubes in that, I have used them for my RGB scanner........

Regards rog8811

*Edit... The reason I show 2 positions for blu-ray is I have used one cube to combine 2 blue-rays for a brighter output, if you are using one of each colour, use red at the bottom and blue to the right
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Old 02-21-2008, 03:20 PM #5
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Default Re: dichro cubes for beam combinations.

from the edmundoptics site, which 2 cubes do i need for making yellow using green/red and also to make white using red,green,blue?
please can some1 pinpoint the stock numbers of the cubes i need?
many thanks
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Old 02-21-2008, 04:18 PM #6
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Default Re: dichro cubes for beam combinations.

read the desc on the page.

i believe blue means it reflects blue, red reflects red and green reflects green
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Old 02-23-2008, 01:13 PM #7
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Default Re: dichro cubes for beam combinations.

here is the group buy bluefusion said:
http://www.laserpointerforums.com/fo...num=1199489380
use this unit, you will very convenience to building RGY,RGB lasers.
if you don't know how to used it ,just PM Mlitpack, he will told you how to building your own RGB lasers.
Best regards!
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