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Re: [OM] circular polarizers

Subject: Re: [OM] circular polarizers
From: "Stephen F. Schaffner" <sschaff@xxxxxxxxxxxxxxxxx>
Date: Tue, 13 Oct 1998 16:38:56 -0700 (PDT)
Jay Maynard wrote:

> There's one effect in radio antennas that may or may not apply here: A
> circularly polarized signal, when received on a linearly polarized antenna,
> is half as strong as a linearly polarized signal with the same radiated
> power in the same plane. [...]
> 
> Does a circularly polarized light wave suffer the same loss when passing
> through a linear polarizer, such as, say, the OM-PC's metering system? Does
> it simply compensate for the 1-stop loss, or does it need to, or...?

The circularly polarized light will suffer the same loss as would
randomly polarized light, which is presumably what the metering system
is calibrated to meter.

Steve Schaffner
sschaff@xxxxxxxxxxxxxxxxx

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