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Multimode horn antennas for far-infrared astronomy

Murphy, J. A., Bracken, C., Doherty, S., McAuley, I., Wilson, D., O'Sullivan, C., Trappe, N., Gradziel, M., Ade, Peter A. R., Gleeson, E., Maffei, B., Lamarre, J-M, Noviello, F., Peacocke, T., Pisano, Giampaolo, Puget, J-L, Savini, Giorgio, Sudiwala, R., Withington, S., Wylde, R. and Yurchenko, V. 2014. Multimode horn antennas for far-infrared astronomy. Presented at: EuCAP 2014 - The 8th European Conference on Antennas and Propagation, The Hague, The Netherlands, 6-11 April 2014. The 8th European Conference on Antennas and Propagation (EuCAP 2014). Elservier, pp. 2580-2582. 10.1109/EuCAP.2014.6902348

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Multi-mode horns combined with bolometric or incoherent detectors are finding application in astronomical receivers for which partially coherent operation can provide increased throughput and thus sensitivity. This is advantageous when observing faint sources, especially if diffraction limited resolution is not required, or if the horn beam is truncated by a cold stop in the optical train. We discuss how such horns can be simulated and present examples from receiver instrumentation on the Planck and SPICA space telescopes.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Uncontrolled Keywords: horn antenna, multimode, far-infrared astronomy
Publisher: Elservier
ISBN: 9788890701849
ISSN: 2164-3342
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Last Modified: 04 Jun 2017 09:22

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