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https://hdl.handle.net/20.500.14279/2396| Τίτλος: | Simultaneous interrogation of interferometric and bragg grating sensors | Συγγραφείς: | Kalli, Kyriacos Johnson, David A. Webb, David J. |
metadata.dc.contributor.other: | Καλλή, Κυριάκος | Major Field of Science: | Engineering and Technology | Field Category: | Electrical Engineering - Electronic Engineering - Information Engineering | Λέξεις-κλειδιά: | Bragg gratings;Diffraction gratings;Mirrors;Interferometry | Ημερομηνία Έκδοσης: | Ιου-1995 | Πηγή: | (1995) Proceedings of SPIE - The International Society for Optical Engineering, 2507, pp. 218-224; Distributed and Multiplexed Fiber Optic Sensors V,22-23 June 1995,Munich, Germany | Conference: | Distributed and Multiplexed Fiber Optic Sensors V | Περίληψη: | A new method for the simultaneous interrogation of conventional two-beam interferometers and Bragg grating sensors is proposed and demonstrated. An unbalanced Mach-Zehnder interferometer illuminated by a low coherence source is used to act as a wavelength tunable source for the grating and as a path matched filter for a Fizeau cavity. The technique gives high phase resolution. The grating sensor gave a dynamic strain resolution of ≈0.05 με/√Hz at 20 Hz and the interferometric resolution was better than 1 mrad/√Hz at 20 Hz, corresponding to an rms mirror displacement of 0.08 nm. | ISBN: | 978-081941865-4 | ISSN: | 0277-786X | DOI: | 10.1117/12.219627 | Rights: | © 1995 SPIE. | Type: | Conference Papers | Affiliation: | University of Kent at Canterbury | Affiliation: | University of Kent at Canterbury |
| Εμφανίζεται στις συλλογές: | Δημοσιεύσεις σε συνέδρια /Conference papers or poster or presentation |
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