Corrugated horn design for HFI on PLANCK

Murphy, J. A., Colgan, R., Gleeson, E., Maffei, B., O’Sullivan, C. and Ade, Peter A. R. ORCID: https://orcid.org/0000-0002-5127-0401 2002. Corrugated horn design for HFI on PLANCK. Presented at: AIP Conference, Breuil-Cervinia (AO), Valle d’Aosta, ITALY, 9-13 July 2001. Published in: De Petris, Marco and Gervasi, Massimo eds. Experimental cosmology at millimetre wavelengths : 2K1BC Workshop : Breuil-Cervinia (AO), Valle d'Aosta, Italy, 9-13 July 2001. AIP Conference Proceedings (616) Melville, N.Y.: American Institute of Physics, p. 282. 10.1063/1.1475645

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Abstract

In this paper we report on the back-to-back corrugated feed horn design for the High Frequency Instrument on the PLANCK Surveyor. Special single moded Gaussian profiled horns have been developed for the 4 lowest frequency channels (100 GHz, 150 GHz, 217 GHz & 353 GHz). These feed structures produce very pure Gaussian radiation patterns with sidelobe levels reduced well below -30 dB. Similar few moded horn antennas are being proposed for the highest frequency channels (545 GHz and 850 GHz) to give non-diffraction limited performance with high throughput. The modelling of the horns uses a rigorous electromagnetic mode matching technique that is found to give good agreement with measurement.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Publisher:	American Institute of Physics
ISBN:	0735400628
ISSN:	0094-243X
Related URLs:	Publisher
Last Modified:	25 Oct 2022 10:15
URI:	https://orca.cardiff.ac.uk/id/eprint/61543

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