A High-Efficiency Spline-Profile Smooth-Walled 34-38 GHz Horn as an Array Feed for the Long-Focus Optics of the RATAN-600 Radio Telescope

Conference: EuCAP 2009 - 3rd European Conference on Antennas and Propagation
03/23/2009 - 03/27/2009 at Berlin, Germany

Proceedings: EuCAP 2009

Pages: 3Language: englishTyp: PDF

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Granet, Christophe (BAE Systems Australia Ltd, 40-52 Talavera Road, North Ryde 2113 NSW, Australia)
Khaikin, Vladimir (2Special Astrophysical Observatory of the Russian Academy of Science, NRTT Lab, 21 Polytechnicheskaya off.201 194021 St. Petersburg, Russia)
Bird, Trevor S. (CSIRO ICT Centre, PO Box 76, Epping 1710 NSW, Australia)

The design of a high-efficiency spline-profile smoothwalled circular horn covering the 34-38 GHz band is described. This horn is proposed for an array feed for the RATAN-600 radio telescope. Across the band the horn has a predicted aperture efficiency > 96% and a cross-polarization < -23dB.