A Superconducting Bolometer Antenna-Coupled to Terahertz Waves (Articolo in rivista)

Type
Label
  • A Superconducting Bolometer Antenna-Coupled to Terahertz Waves (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1007/s10909-009-9860-8 (literal)
Alternative label
  • S. Cibella, P. Carelli, M. G. Castellano, V. Foglietti, R. Leoni, M. Ortolani and G.Torrioli (2009)
    A Superconducting Bolometer Antenna-Coupled to Terahertz Waves
    in Journal of low temperature physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • S. Cibella, P. Carelli, M. G. Castellano, V. Foglietti, R. Leoni, M. Ortolani and G.Torrioli (literal)
Pagina inizio
  • 142 (literal)
Pagina fine
  • 149 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 154 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto di Fotonica e Nanotechnologie, CNR, Via Cineto Romano 42, 00156 Rome, Italy Dipartimento di Ingegneria Elettrica, Università dell'Aquila, L'Aquila, Italy (literal)
Titolo
  • A Superconducting Bolometer Antenna-Coupled to Terahertz Waves (literal)
Abstract
  • The electrical performances and the optical response of a superconducting hotspot air-bridge bolometer (SHAB) coupled through a planar antenna to Terahertz waves and operating in vacuum at about 4.2 K, have been measured. The SHAB consists of a narrow Nb air bridge, voltage biased to form, in the middle of the suspended Nb stripe, a resistive hotspot, whose volume is modulated by the incoming radiation. The signal resulting from the coupled optical power and the device noise performance have been measured by using a home made transimpedance amplifier operating at room temperature, resulting in an electrical NEP of about 40 fW/Hz(1/2). Passive detection of the 300 K blackbody radiation at frequency lower than 1.6 THz, band limited by a low-pass optical filters, has been successfully carried out by using a SHAB. (literal)
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