>This raises a question I have been wondering about for some time. How
>does a "circular" polarizer work? Presumably it is in two layers, with
>the first one polarizing "linearly", since that's what polarization
>is, and the second one randomizing the plane of polarization. If the
>mechanism somehow depends on quantum effects, is it uniform with respect
>to wavelength and intensity, or do circular polarizers introduce visual
>artefacts?
I believe this one should be in the archives somewhere under polariser.
Submitted by Kennedy, I think. I've deleted it from my backups.
Foxy
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