Risultati scientifici

Split-mode fiber Bragg grating sensor for high-resolution static strain measurements

Anno: 2014

Autori: Malara P., Mastronardi L., Campanella C. E., Giorgini A., Avino S., Passaro V. M. N., Gagliardi G.

Affiliazione autori: Consiglio Nazionale delle Ricerche – Istituto Nazionale di Ottica, via Campi Flegrei 34, Comprensorio Olivetti, 80078 Pozzuoli (Naples), Italy;
Dipartimento di Ingegneria Elettrica e dell’Informazione, Politecnico di Bari, Via Edoardo Orabona 4, 70125 bari, Italy

Abstract: We demonstrate a strain sensor with very high sensitivity in the static and low frequency regime based on a fiber ring cavity that includes a p phase-shifted fiber Bragg grating. The grating acts as a partial reflector that couples the two counter-propagating cavity modes, generating a splitting of the resonant frequencies. The presence of a sharp transition with in the p phase-shifted fiber Bragg grating

Giornale/Rivista: OPTICS LETTERS

Volume: 39 (24)      Da Pagina: 6899  A: 6902

Maggiori informazioni: This work was funded by the Italian Ministry of Education and Research (MIUR) under the framework of the PON01_01209 \”BACKOP\” project.
Parole chiavi: Electric sensing devices; Fiber Bragg gratings; Fiber optic sensors; Natural frequencies; Phase shift; Phase shifters; Refractive index, Cavity resonances; Counterpropagating; Fiber Bragg Grating Sensors; Fiber ring cavity; Frequency splittings; Mechanical deformation; Phase shifted fiber bragg grating (PSFBG); Spectral transmittance, Fibers
DOI: 10.1364/OL.39.006899

Citazioni: 22
dati da “WEB OF SCIENCE” (of Thomson Reuters) aggiornati al: 2021-09-19
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