Optical fiber three-axis accelerometer based on lasers locked to π phase-shifted Bragg gratings (Articolo in rivista)

Type
Label
  • Optical fiber three-axis accelerometer based on lasers locked to π phase-shifted Bragg gratings (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0957-0233/21/9/094010 (literal)
Alternative label
  • Lam T. T-Y., Gagliardi G., Salza M,, Chow J. H., De Natale P. (2010)
    Optical fiber three-axis accelerometer based on lasers locked to π phase-shifted Bragg gratings
    in Measurement science & technology (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Lam T. T-Y., Gagliardi G., Salza M,, Chow J. H., De Natale P. (literal)
Pagina inizio
  • 094010 (literal)
Pagina fine
  • 094010 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 21 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 8 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 9 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Centre for Gravitational Physics, ANU, Canberra (AU); CNR - Istituto Nazionale di Ottica, UOS di Napoli, via Campi Flegrei 34, 80078 Pozzuoli Napoli, Italy; CNR - Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy; AMBRA 8Analysis and Monitoring of Environmental Risk) Scarl, via Nuova Agnano 11, 80125 Naples, Italy (literal)
Titolo
  • Optical fiber three-axis accelerometer based on lasers locked to π phase-shifted Bragg gratings (literal)
Abstract
  • We report on a high-bandwidth, three-axis accelerometer developed with pi phase-shifted fiber Bragg gratings. The gratings are inserted into a cantilever system and interrogated by three separate telecom distributed-feedback diode lasers. The lasers are frequency locked to the sensors using a radio-frequency Pound-Drever-Hall technique. This scheme reduces the effect of laser amplitude noise and allows for real-time measurements with a dynamic range greater than 50 g. An operation bandwidth of about 1000 Hz is demonstrated with minimum detectable accelerations in the order of 10 mu g(rms) Hz (1/2) for frequencies above 10 Hz, only limited by the interrogating lasers frequency noise. (literal)
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