W-band prototype of platelet feed-horn array for CMB polarisation measurements (Articolo in rivista)

Type
Label
  • W-band prototype of platelet feed-horn array for CMB polarisation measurements (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/1748-0221/6/06/P06009 (literal)
Alternative label
  • F Del Torto(a), M Bersanelli(a), F Cavaliere(a), A De Rosa(b), O D'Arcangelo(c), C Franceschet(a), M Gervasi(d), A Mennella(a), E Pagana(2) A Simonetto(c), A Tartari(d), F Villa(b) and M Zannoni(d) (2011)
    W-band prototype of platelet feed-horn array for CMB polarisation measurements
    in Journal of instrumentation; IOP Publishing Ltd., Bristol BS1 6BE (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • F Del Torto(a), M Bersanelli(a), F Cavaliere(a), A De Rosa(b), O D'Arcangelo(c), C Franceschet(a), M Gervasi(d), A Mennella(a), E Pagana(2) A Simonetto(c), A Tartari(d), F Villa(b) and M Zannoni(d) (literal)
Pagina inizio
  • P06009 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://iopscience.iop.org/1748-0221/6/06/P06009/ (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 6 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (a) Dipartimento di Fisica, Università degli Studi di Milano, Via Celoria 16, 20133 Milano, Italy (b) INAF-IASF Bologna, Via Gobetti 101, 40129 Bologna, Italy (c) IFP-CNR, Via Cozzi 53, Milano, Italy (d) Dipartimento di Fisica, Università degli Studi di Milano Bicocca, Piazza della Scienza 3, 20126 Milano, Italy (2) Indipendent consultant (literal)
Titolo
  • W-band prototype of platelet feed-horn array for CMB polarisation measurements (literal)
Abstract
  • We present the design and performance of a 2x2 prototype array of corrugated feed-horns in W-band. The module is fabricated using a so-called ``platelet'' technique by milling Aluminum plates. This technique is suitable for low-cost and scalable high performance applications. Room temperature Return Loss measurements show a low ( < -30 dB) reflection over a 30% bandwidth with a maximum matching of -42 dB at 100 GHz for all four antennas. Beam pattern measurements indicate good repeatability and a low (-25 dB) sidelobe and crosspolarisation levels. This work is particularly relevant for future Cosmic Microwave Background polarisation measurements, which require large microwave cryogenic detector arrays coupled to high performance corrugated feed horns. (literal)
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