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Old 01-07-2010, 08:04 PM #1
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Default Where can I find a green and red combiner?

Hi,

I'm going to start a project to combine a green and red laser to create a nice yellow beam, and was just wandering if anyone could point me in the right direction as to where I can find a combining optic to join the two wavelengths together? And what kind of ratio should I have in the colours power?

Thanks for your time


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Old 01-07-2010, 08:20 PM #2
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Default Re: Where can I find a green and red combiner?

Use the turning mirror from a PHR Sled, I think its about 3.5/1 (Red/Green) roughly or 30mw Green to a 110mw PHR.
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Old 01-07-2010, 08:26 PM #3
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Default Re: Where can I find a green and red combiner?

Thanks Jaycey that's what I thought,

do you know the ratio for red/green?
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Old 01-07-2010, 08:32 PM #4
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Default Re: Where can I find a green and red combiner?

its in my post...roughly 3.5/1 or equivelent is 30mw green to a phr set at 110ma

The thing is there are a few variables to consider like power lost through the optics and what power supply/driver you use etc.

Its realy a case of getting them combined then adjusting the power levels for best colour blend.

Do you know what diodes your using yet?
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Old 01-07-2010, 09:05 PM #5
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Default Re: Where can I find a green and red combiner?

I'm asking about red and green, not violet and green I think you read over it

And I will probably be using a 20X burner and a suitable green module from O-like. I know Rog or Jayrob did a similar thing but with a dual laser from DX, I'll check out his tutorial now and find out what optics he used, then replicate it but in a more labby style build
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Collection of the Best Free games

445nm Custom build@1A - Old style Dorcy Jr. + purple anodized heatsink
Dino Direct 50mW Flashlight unit
DX True green 100mW
O-like module @ 171mW in Mini-RPL host
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PHR-803T @ 110mA in Jayrob MXDL host
DX Red 660nm 200mW
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Old 01-08-2010, 03:52 AM #6
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Default Re: Where can I find a green and red combiner?

Somebody a while back mentioned harvesting a nice size cube from a 3 LCD projector gotten free or cheap as DOA for parts etc. but I don't think the all have them -not some of the oldest one I believe --some one who repairs them may be a source of their 'leftover'optics. SurplusShed.com has cubes at good prices too. And of course AixiZ-Edmond-Lasever and more. Put a WTB on sale section or trade or maybe a free one out there-who knows? same for dichros IMHO-im NO expert on anything=Hz
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Old 01-08-2010, 04:29 AM #7
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Default Re: Where can I find a green and red combiner?

Sorry, tired eyes!

Im using a LCC set @ 400mah with a O-Like 50mw Green module. It isnt finished yet (the green has not arrived yet) but I think ile get a nice yellow with some adjustment.

You could pm KGB who has a program called 'chroma' that does a nice calculation/chart that puts you in the ball park of power to colour.
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