Development of an erbium-doped fiber laser as a deep sea hydrophone (Articolo in rivista)

Type

• Prodotto della ricerca (Classe)
• Articolo in rivista (Classe)

Label

• Development of an erbium-doped fiber laser as a deep sea hydrophone (Articolo in rivista) (literal)

Anno

• 2006-01-01T00:00:00+01:00 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi

• 10.1088/1464-4258/8/7/S36 (literal)

Alternative label

• P. E. Bagnoli, N. Beverini, R. Falciai, E. Maccioni, M. Morganti, F. Sorrentino, F. Stefani, C.Trono (2006)
  Development of an erbium-doped fiber laser as a deep sea hydrophone
  in Journal of optics. A, Pure and applied optics (Print)
  (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

• P. E. Bagnoli, N. Beverini, R. Falciai, E. Maccioni, M. Morganti, F. Sorrentino, F. Stefani, C.Trono (literal)

Pagina inizio

• 5535 (literal)

Pagina fine

• 5539 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume

• 8 (literal)

Rivista

• Journal of optics. A, Pure and applied optics (Rivista)

Note

• Scopu (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

• Dipartimento di Ingegneria dell’Informazione, University of Pisa; Istituto Nazionale di Fisica Nucleare, Pisa; Dipartimento di Fisica ‘E Fermi’, University of Pisa; Istituto di Fisica Applicata ‘Nello Carrara’, IFAC-CNR, Sesto Fiorentino, Firenze (literal)

Titolo

• Development of an erbium-doped fiber laser as a deep sea hydrophone (literal)

Abstract

• The present work deals with the development of a prototype of a hydrophone for deep-sea acoustic detection. The base sensitive element is a single mode fibre laser, realized within an optically pumped erbium-doped fibre. It was obtained by inducing an index modulation within the fibre core by illuminating it with ultra-violet coherent light through a phase-mask grating; in this way a couple of Bragg reflectors delimiting an optical cavity were realized. The emission wavelength depends on the cavity length and on the Bragg gratings’ optical characteristics. The environmental conditions, in terms of temperature and static and dynamic pressure, modify these geometrical factors and optical parameters, inducing a wavelength shift of the optical signal. Fibre laser sensors were characterized both optically and acoustically within a closed tub in the laboratory, using a Mach–Zender interferometer and an electronic lock-in system allowing the transformation of the wavelength shift into amplitude variations, in order to greatly increase the sensitivity. The high sensitivity makes these sensors very suitable for a wide range of deep-sea acoustic applications, including geological surveys, marine mammal surveys and overall as acoustic sensors in the high energy cosmic neutrino underwater telescopes. (literal)

Prodotto di

• Institute of applied physics \"Nello Carrara\" (IFAC) (Istituto)
• Sensori e metodologie optoelettroniche per la salute e l'ambiente (MD.P03.017.001) (Modulo)

Autore CNR

• RICCARDO FALCIAI (Unità di personale interno)
• COSIMO TRONO (Persona)

Insieme di parole chiave

• Parole chiave di "Development of an erbium-doped fiber laser as a deep sea hydrophone" (Insieme di parole chiave)

Incoming links:

Autore CNR di

• COSIMO TRONO (Persona)
• RICCARDO FALCIAI (Unità di personale interno)

Prodotto

• Institute of applied physics \"Nello Carrara\" (IFAC) (Istituto)
• Sensori e metodologie optoelettroniche per la salute e l'ambiente (MD.P03.017.001) (Modulo)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi

• Journal of optics. A, Pure and applied optics (Rivista)

Insieme di parole chiave di

• Parole chiave di "Development of an erbium-doped fiber laser as a deep sea hydrophone" (Insieme di parole chiave)