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Corrugated horn design for HFI on PLANCK

Murphy, J. A., Colgan, R., Gleeson, E., Maffei, B., O’Sullivan, C. and Ade, Peter A. R. 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 , vol. 616. Melville, N.Y.: American Institute of Physics, p. 282. 10.1063/1.1475645

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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
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Last Modified: 04 Jun 2017 06:32

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