On Tue, Apr 20, 2004 at 05:49:32AM -0400, Erik Reuter wrote:
> The cheap ones are AlGaAs/GaAs/AlGaAs quantum well laser diodes (they > usually have a few QW's in the gain region, and a stepped or graded > AlGaAs region for optical confinement).
Actually, that should be AlGaInP for the visible red ones. The AlGaAs/GaAs ones I mentioned are actually NIR (used for CD players).
Here are some nice pictures:
http://www.photonic-products.com/techinfo/sanyo_tech/sanyo_databook.pdf
Thanks! Exactly what I was looking for (although for some reason I am having some trouble getting the web page to come up).
-- Ronn! :)
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