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Title: A high performance 700 GHz feed horn
Authors: Boon Kok Tan
Jamie Leech
Ghassan Yassin
Phichet Kittara
Mike Tacon
Sujint Wangsuya
Christopher Groppi
University of Oxford
Mahidol University
Arizona State University
Keywords: Engineering;Physics and Astronomy
Issue Date: 1-Jan-2012
Citation: Journal of Infrared, Millimeter, and Terahertz Waves. Vol.33, No.1 (2012), 1-5
Abstract: We present a design of a high performance horn operating at 700 GHz. The feed, which comprises three smooth-walled conical sections, is easy to machine and yet has comparable performance to a corrugated horn. The measured radiation patterns show high main beam circularity, low sidelobe level and good agreement with theoretical predictions. The cross-polar level is below -20 dB across a frequency bandwidth of 140 GHz. The new design allows the fabrication of high performance, large format feed arrays cheaply and rapidly. © 2011 Springer Science+Business Media, LLC.
ISSN: 18666906
Appears in Collections:Scopus 2011-2015

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