Date: Wed, 30 Oct 2002 10:59:57 -0600
Author: Andrew Yue
Subject: Dichroic Microwave Polarization
With regards to dichroic polarization, I am at a total loss to
explain how one would be able to either perform or measure such with
the meager apparatus this office provides to the classroom.
What we basically provide, is a microwave transmitter, two barbeque
grills and a receiver horn connect to an audio amplifier. One can
attenuate the quantity of radiation that reaches the receiver horn by
placing the grill at a 45 degree angle between the two horns.
However, I' m not prepared to call this dichroic polaroid filtering.
My opinion is the that the demo as it is currently performed shows
absorption of the E-field by the metal bars of the grill acting as
dipole antennae, which then is radiated out as heat.
All the Best,
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Physics Lecture Demonstration Office
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