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Old 03-05-2009, 10:51 AM #1
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Default 660nm Red laser question

I am putting together a red 660nm laser and so far from just short testing it gets very hot very fast. My blu-ray build stays cool for a long time. Is that normal for the red or do I possibly have the mv's up to high on the driver? I have it at right around 420mn's. I already ordered a heat sink for this but I figured I should ask.


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Old 03-05-2009, 12:06 PM #2
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Default Re: 660nm Red laser question

Red laser diodes produce much more heat than violet diodes.

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dave
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Old 03-05-2009, 12:48 PM #3
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Default Re: 660nm Red laser question

Thanks for confirming what I suspected. That is all I needed to know.
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