High-Spatial- and Spectral-Resolution Time-Domain Brillouin Distributed Sensing by Use of Two Frequency-Shifted Optical Beam Pairs (Articolo in rivista)

Type
Label
  • High-Spatial- and Spectral-Resolution Time-Domain Brillouin Distributed Sensing by Use of Two Frequency-Shifted Optical Beam Pairs (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1109/JPHOT.2012.2219301 (literal)
Alternative label
  • Minardo A 1; Zeni L 1,2; Bernini R 2 (2012)
    High-Spatial- and Spectral-Resolution Time-Domain Brillouin Distributed Sensing by Use of Two Frequency-Shifted Optical Beam Pairs
    in IEEE PHOTONICS JOURNAL
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Minardo A 1; Zeni L 1,2; Bernini R 2 (literal)
Pagina inizio
  • 1900 (literal)
Pagina fine
  • 1908 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 4 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1. Univ Naples 2, Dipartimento Ingn Informaz, I-81031 Aversa, Italy; 2. CNR, Ist Rilevamento Elettromagnet Ambiente, I-80124 Naples, Italy (literal)
Titolo
  • High-Spatial- and Spectral-Resolution Time-Domain Brillouin Distributed Sensing by Use of Two Frequency-Shifted Optical Beam Pairs (literal)
Abstract
  • We present a novel scheme aimed to improve spectral resolution in Brillouin distributed sensors based on single-mode standard fibers. The method makes use of two frequency-shifted optical pairs, the first one (the \"writing\" pair) devoted to excite the acoustic wave and the second one (the \"reading\" pair) employed to perform Brillouin gain interrogation. A numerical analysis demonstrates the capability of the method to ensure high spectral resolution even when operating in the high-spatial-resolution (similar to 1 m or less) regime. Preliminary experimental results carried out at 1-m spatial resolution are also reported. (literal)
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