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https://hdl.handle.net/20.500.14279/9276
Τίτλος: | Comparative study of multimode CYTOP graded index and single-mode silica fibre Bragg grating array for the mode shape capturing of a free-free metal beam | Συγγραφείς: | Theodosiou, Antreas Polis, Michael Lacraz, Amédéé Kalli, Kyriacos Komodromos, Michael Stassis, Andreas |
metadata.dc.contributor.other: | Θεοδοσίου, Αντρέας Πόλυς, Μιχάλης Καλλή, Κυριάκος Στασής, Αντρέας |
Major Field of Science: | Engineering and Technology | Field Category: | Electrical Engineering - Electronic Engineering - Information Engineering;Nano-Technology | Λέξεις-κλειδιά: | FBG array;Femtosecond laser;Polymer optical fibres;Shape sensing;Surface displacement sampling | Ημερομηνία Έκδοσης: | 1-Απρ-2016 | Πηγή: | Proceedings of SPIE - The International Society for Optical Engineering, 9886, art. no. 98860O | Conference: | Micro-Structured and Specialty Optical Fibres IV | Περίληψη: | The work described in this paper involved two different material fibre Bragg grating (FBG) arrays, investigating their performance as quasi-distributed sensors by capturing the vibrating response of a free-free metal beam close to its resonance frequencies. A six meter length of low-loss, gradient-index, multimode CYTOP fibre and of SMF-28 were used for the inscription of multiple FBG sensors using a femtosecond laser inscription method. The FBG arrays were multiplexed in the wavelength domain using a high-speed commercial demodulator, from which we recovered wavelengthand time-dependent displacement information. We compared the vibration response of the two arrays and using a novel computation algorithm we extract the first mode shape of the free-free metal beam that was exited at its first resonance frequency using a vibrating force. | ISBN: | 978-151060131-4 | ISSN: | 0277-786X | DOI: | 10.1117/12.2230792 | Rights: | © 2016 SPIE. | Type: | Conference Papers | Affiliation: | Cyprus University of Technology Frederick University |
Funding: | Part of SPIE Proceedings Vol. 9886 | Publication Type: | Peer Reviewed |
Εμφανίζεται στις συλλογές: | Δημοσιεύσεις σε συνέδρια /Conference papers or poster or presentation |
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