Self-referencing fibre-optic intensity strain sensors

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dc.contributor.author Montalvo García, Julio
dc.contributor.author Contreras Lallana, Pedro
dc.contributor.author Vázquez García, María Carmen
dc.date.accessioned 2009-11-24T13:38:24Z
dc.date.available 2009-11-24T13:38:24Z
dc.date.issued 2005-08-30
dc.identifier.bibliographicCitation Proceedings of SPIE, 2005, vol. 5855, n. 767, p. 767-770
dc.identifier.isbn 0-8194-5855-4
dc.identifier.issn 0277-786X
dc.identifier.uri http://hdl.handle.net/10016/5789
dc.description 4 pages, 4 figures.-- Contributed to: 17th International Conference on Optical Fibre Sensors (OFS'05, Brugge, Belgium, May 23-27, 2005), edited by Voet, Marc; Willsch, Reinhardt; Ecke, Wolfgang; Jones, Julian; Culshaw, Brian.
dc.description.abstract A theoretical and experimental study of a Radio-Frequency (RF) Ring Resonator (RR) configuration for self-referencing and improving the sensitivity of fibre-optic intensity sensors (FOS) is reported. An experimental set-up directly applying this scheme to a multimode (MM) fibre strain sensor is shown and discussed, and a generic calibration using a single-mode (MM) optical attenuator has also been reported in order to show the principle of operation and to validate the theoretical expressions. The separation between lead and transducer losses in the FOS is solved by converting light intensity fluctuations to be measured into ring resonator losses that produce high amplitude variations in the proximity of the RR resonance frequencies. Modulation of the optical carrier by a RF signal allows using cheap sources and simplifying the detection electronics.
dc.description.sponsorship This work was supported by CICYT (TIC2003-03783).
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher Society of Photo-optical Instrumentation Engineers (SPIE)
dc.rights © SPIE
dc.subject.other Fibre-optic sensor
dc.subject.other Strain sensor
dc.subject.other Self-referencing
dc.subject.other Intensity-based sensor
dc.subject.other Ring resonator
dc.title Self-referencing fibre-optic intensity strain sensors
dc.type article
dc.type conferenceObject
dc.type.review PeerReviewed
dc.description.status Publicado
dc.relation.publisherversion http://dx.doi.org/10.1117/12.623597
dc.subject.eciencia Electrónica
dc.identifier.doi 10.1117/12.623597
dc.rights.accessRights openAccess
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