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Old 01-09-2009, 03:57 PM #1
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Default Colour mixing

Now that 405nm modules are available, has anyone exprimented with colour mixing of RGB lasers each being PWM? I assume this is possible since LEDs which are also current driven use this technique to achieve various intermediate colours. I know that others have used individual R, G and B lasers to produce cyan, magenta, yellow and white from the primaries but I would have thought that all other colours could be mixed if each beam was individually modulated then mixed.


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Old 01-09-2009, 04:34 PM #2
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Default Re: Colour mixing

That is being discussed here.... look at the last page
http://www.laserpointerforums.com/fo...256424/100#100
I know it has been discussed before, try search to see what comes up.

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Old 01-09-2009, 05:44 PM #3
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Default Re: Colour mixing

Thanx for the pointer rog8811. A quick google proves that solid state lasers are often modulated by PWM but as to colour mixing, that doesn't get much of a mention other than straight primary mixing which you have amply demonstrated. I hope to have some time in the future to muck around with various mixing experiments and see what transpires.

Keep up the good work and congratulations on constructing a first class device!

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