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https://hdl.handle.net/20.500.14279/4198
Τίτλος: | Multiplexed fbg sensor recorded in multimode microstructured polymer optical fibre | Συγγραφείς: | Kalli, Kyriacos Argyros, Alexander Webb, David J. Johnson, Ian P. Large, Maryanne C J |
metadata.dc.contributor.other: | Καλλή, Κυριάκος | Major Field of Science: | Engineering and Technology | Field Category: | Electrical Engineering - Electronic Engineering - Information Engineering | Λέξεις-κλειδιά: | Wavelength division multiplexing;Fiber optics;Optical fibers;Photonic crystals;Polymers;Silica | Ημερομηνία Έκδοσης: | Απρ-2010 | Πηγή: | (2010) Proceedings of SPIE - The International Society for Optical Engineering, 7714, art. no. 77140D; Photonic Crystal Fibers IV;14 -16 April 2010,Brussels, Belgium | Conference: | Photonic Crystal Fibers | Περίληψη: | Fibre Bragg gratings have been inscribed in multimode microstructured polymer optical fibre (POF), with a core size of 50μm. The microstructured POF (mPOF) consists of a three ring hole structure and is made purely from poly(methyl methacrylate) (PMMA). In comparison to silica fibre, POF has a much smaller Young's modulus and a much greater breaking strain; additionally multimode fibre holds advantages of ease of handling and launching conditions. A linear strain sensitivity of 1.32 ± 0.01pm/με has been measured in the range 0 to 2% strain. The fibre drawing process leads to a degree of molecular alignment along the fibre axis. This alignment can be thermally annealed out; this can induce a permanent blue shift in the Bragg wavelength of a grating fabricated prior to annealing by up to 20 nm. Utilising this, wavelength demultiplexed gratings can be fabricated using a single phase mask. As an illustration of this we present for the first time wavelength division multiplexing of the spectral response of three Bragg gratings in POF within the C-band region. Complementing this work, a technique of splicing mPOF to step index silica fibre is described using UV curing optical adhesive, allowing characterisation of Bragg gratings fabricated in this fibre. | ISBN: | 978-081948187-0 | ISSN: | 0277-786X | DOI: | 10.1117/12.854410 | Rights: | © 2010 SPIE. | Type: | Conference Papers | Affiliation: | Photonics Research Group Aston University Cyprus University of Technology University of Sydney |
Εμφανίζεται στις συλλογές: | Δημοσιεύσεις σε συνέδρια /Conference papers or poster or presentation |
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