http://www.cnr.it/ontology/cnr/individuo/prodotto/ID170507
An interferometric demodulation method for visualizing and determining quasi-static strain by FBG sensors (Articolo in rivista)
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- Label
- An interferometric demodulation method for visualizing and determining quasi-static strain by FBG sensors (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Alternative label
Rocco A., Coppola G., Di Maio A., Ferraro P. , Iodice M., De Natale P. (2006)
An interferometric demodulation method for visualizing and determining quasi-static strain by FBG sensors
in Measurement science & technology (Print)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Rocco A., Coppola G., Di Maio A., Ferraro P. , Iodice M., De Natale P. (literal)
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- CNR-INOA Istituto Nazionale di Ottica Applicata, Via Campi Flegrei 34, 80078 Napoli, Italy
Consiglio Nazionale delle Ricerche-Istituto di Microelettronica e Microsistemi, Sezione di Napoli, Via P Castellino 111, 80131 Napoli, Italy (literal)
- Titolo
- An interferometric demodulation method for visualizing and determining quasi-static strain by FBG sensors (literal)
- Abstract
- In this paper, we propose an interferometric approach for visualizing and measuring the quasi-static strain experienced by fibre Bragg grating sensors. The method makes use of a simple bi-polished silicon sample acting like an etalon tuneable filter. The Bragg wavelength shift can be evaluated by analysing the overall interferometric signal achieved by tuning the etalon tuneable filter angularly. A fast Fourier transform method is applied for phase retrieval. The choice of the silicon sample is determined by the low-cost and well-developed silicon technology and fabrication, the easy design and tuneability of the spectral response, and the possibility of integrating on the same sample also the circuitry for electronic control. The principle of operation of this method is described and results obtained by employing such a configuration are reported. (literal)
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