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How Lasers Actually Work (Just a link to a good web page but wanted to pass it on).






Very informative link. Haven't read it all but there's a lot of good information there. Will have to finish later, but thanks for the link .
 
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Thank you so much for that link, I've bookmarked it.
Looks great, I'll read through it when I have time to enjoy it all.

Cheers Mr A.

:beer:
 
Interesting stuff, though most of it concerns gas or solid state lasers, not so much laser diodes.

For those reading for educational purposes: In diode lasers population inversion is achieved by an electrical field.

A rough analogy is that a HeNe laser is basically a neon sign tube with mirrors on its ends, and a laser diode is a LED with mirrors around it. Ofcourse that is not the entire story but perhaps a concept to keep in mind when reading that article.
 
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