>I'm sure one of you could answer this for me: Why do laser diodes require
>light intensity feedback (thru the internal photodiode)? I have hooked one
>up without that (just direct pulses being fed to the LD thru a resistor)
>and it worked fine (as far as I could tell).

They don't.  You use it to prevent frying them.  They are temp sensitive.

Andy

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Andy Kunz - Statistical Research, Inc. - Westfield, New Jersey USA
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