Development of a Dual-Circular Polarizer for the KVN Receivers

Details Development of a Dual-Circular Polarizer for the KVN Receivers Development of a Dual-Circular Polarizer for the KVN Receivers

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009jass...26..345j&link_type=abstract

Journal of Astronomy and Space Sciences. Vol. 26, no. 3, 345-354

Astronomy and Astrophysics

Astronomy

1

Receiver, Dual-Circular Polarization, Septum Polarizer, E-Plane Split-Block

Scientific paper

A stepped septum polarizer has been designed and fabricated for the 43 GHz band KVN receiver system. The dual-circular polarizer converts left and right hand circularly polarized signals into linear polarizations in two separated rectangular waveguides. Measurements show that the performance of the designed septum polarizer covering 42-48 GHz frequency band is adequate to meet the requirement of KVN receivers. Especially, a polarizer for the KVN receiver of 85-95 GHz frequency band can be fabricated by scaling the dimensions of the septum polarizer developed in this paper.

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