Physics
Scientific paper
Mar 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aipc..609..177p&link_type=abstract
ASTROPHYSICAL POLARIZED BACKGROUNDS: Workshop on Astrophysical Polarized Backgrounds, held 9-12 October, 2001 in Bologna Italy.
Physics
4
Radiation Mechanisms, Polarization, Background Radiations, Radio, Microwave
Scientific paper
The Stokes parameters of the polarized sky emission are detected by a correlation unit called Hybrid Phase Discriminator (HPD), which uses signals obtained by an Ortho-mode Transducer (OMT). In the millimeter wave range and for rather large bandwidths, heterodyne receivers are not applicable, and the correlation units have to work at the frequency of the radiometer. This contribution deals with a Ka-band prototype of a new configuration of waveguide HPD, which presents a high degree of sensitivity for the detection of linearly polarized radiation. .
Baralis Massimo
Carretti Ettore
Cortiglioni Stefano
Olivieri Augusto
Peverini Oscar Antonio
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