Consiglio Nazionale delle Ricerche

Tipo di prodottoArticolo in rivista
TitoloAdditive Manufacturing of Ka-Band Dual-Polarization Waveguide Components
Anno di pubblicazione2018
Autore/iAddamo, Giuseppe; Peverini, Oscar A.; Manfredi, Diego; Calignano, Flaviana; Paonessa, Fabio; Virone, Giuseppe; Tascone, Riccardo; Dassano, Gianluca
Affiliazioni autoriCNR; Istituto Italiano Tecnologia; Politecnico di Torino
Autori CNR e affiliazioni
  • inglese
AbstractAdditive manufacturing (AM) is emerging as a key technology for the minimization and integration of microwave antenna systems. Among the several AM processes, selective laser melting (SLM) is rather convenient for waveguide components, since it allows for all-metal parts with a mechanical accuracy within 30-60 mu m and an equivalent surface electrical resistivity in the range of 10-20 mu Omega cm. This paper reports on the assessment of the SLM applicability to the manufacturing of dual-polarization waveguide components operating in Ka-band, namely, a septum polarizer, a smooth-wall feed horn integrated with the septum polarizer, and an orthomode transducer (OMT). In order to achieve high electromagnetic performance in the Ka-band, the architectures have been optimized for the manufacturing process, above all in terms of orientation on the building platform and minimization of supporting structures. As a consequence, the corresponding prototypes exhibit measured performances in significant agreement with the predicted values. As an example, the return loss of all the components has been measured to be as high as 25 dB, while the measured isolation between the rectangular waveguide ports of the OMT is better than 47 dB.
Lingua abstractinglese
Altro abstract-
Lingua altro abstract-
Pagine da3589
Pagine a3596
Pagine totali8
RivistaIEEE transactions on microwave theory and techniques
Attiva dal 1963
Editore: Professional Technical Group on Microwave Theory and Techniques, Institute of Electrical and Electronics Engineers, - New York, N.Y.
Paese di pubblicazione: Stati Uniti d'America
Lingua: inglese
ISSN: 0018-9480
Titolo chiave: IEEE transactions on microwave theory and techniques
Titolo proprio: IEEE transactions on microwave theory and techniques.
Titolo abbreviato: IEEE trans. microwave theor. tech.
Titoli alternativi:
  • Institute of Electrical and Electronics Engineers transactions on microwave theory and techniques
  • I.E.E.E. transactions on microwave theory and techniques
  • Transactions on microwave theory and techniques
  • Microwave theory and techniques
Numero volume della rivista66
Fascicolo della rivista8
Verificato da referee-
Stato della pubblicazionePublished version
Indicizzazione (in banche dati controllate)
  • ISI Web of Science (WOS) (Codice:000440863600003)
Parole chiaveAdditive manufacturing (AM), antenna-feed chains, microwave components, selective laser melting (SLM), 3-D printing
Link (URL, URI)-
Titolo parallelo-
Data di accettazione-
Note/Altre informazioni-
Strutture CNR
  • IEIIT — Istituto di elettronica e di ingegneria dell'informazione e delle telecomunicazioni
Moduli/Attività/Sottoprogetti CNR
  • DIT.AD012.011.001 : DRATS - Dispositivi a radiofrequenza per telecomunicazioni spaziali ed osservazioni scientifiche
Progetti Europei-