Re: Information about superluminescent diodes (SLD)?

On 27 Oct 2005 21:13:09 -0700, mpate@xxxxxxxxxxx wrote:

>..........
>When you google make sure you google in the web section, not just the
>groups section. I found quite a bit in the web google section 11K hits
>on superluminescent LED.
>
>See Light-Emitting Diodes, by Fred Schubert of Renssaler Poly Inst,
>US$47 good book.
>
>In his book he answers your questions above.
>The structure is very similar to laser diodes except the sld has no
>optical feedback. Since the feedback is from the end mirrors in a
>laser diode the end mirrors are abscent in the sld. The front side of
>the sld must have a very low reflectivity ar coating.
>..........
I wonder how they absorb the light in the rear, with those diodes
which have a rear aperture. Which kind of absorber is there?

w.
.

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