High Q silica microbubble resonators fabricated by arc discharge (Articolo in rivista)

Type
Label
  • High Q silica microbubble resonators fabricated by arc discharge (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Alternative label
  • S. Berneschi, D. Farnesi, F. Cosi, G. Nunzi Conti, S. Pelli, G.C. Righini, S. Soria (2011)
    High Q silica microbubble resonators fabricated by arc discharge
    in Optics letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • S. Berneschi, D. Farnesi, F. Cosi, G. Nunzi Conti, S. Pelli, G.C. Righini, S. Soria (literal)
Pagina inizio
  • 3521 (literal)
Pagina fine
  • 3523 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 36 (literal)
Rivista
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • - Istituto di Fisica Applicata \"Nello Carrara\"-CNR - Centro Studi e Ricerche “E. Fermi”, Piazza del Viminale 2, 00184 Rome, Italy (literal)
Titolo
  • High Q silica microbubble resonators fabricated by arc discharge (literal)
Abstract
  • Microbubble resonators combine the unique properties of whispering gallery mode resonators with the intrinsic capability of integrated microfluidics. Here an improved fabrication method of microbubble resonators is presented, based on the heating of a slightly pressurized capillary by a rotating arc discharge. Rotation of the electrodes, moved out of a fiber splicer, ensures a homogeneous distribution of the heat all over the capillary surface. The demonstrated microbubble resonators have Q factors up to 6×107 at 1550 nm. Microbubbles were filled with water and aqueous solutions of ethanol in order to test the refractive index sensing capabilities of such resonators, which also show a good temporal stability. The limit of detection of our microbubble resonator sensor is 10-6 RIU. (literal)
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