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https://hdl.handle.net/20.500.14279/4173
Τίτλος: | Temperature sensitivity of Bragg gratings in PMMA and TOPAS microstructured polymer optical fibres | Συγγραφείς: | Webb, David J. Kalli, Kyriacos Zhang, Chi Komodromos, Michael Argyros, Alexander Large, Maryanne C J Emiliyanov, Grigoriy Bang, Ole Kjær, Erik Michael |
metadata.dc.contributor.other: | Καλλή, Κυριάκος | Major Field of Science: | Engineering and Technology | Field Category: | Electrical Engineering - Electronic Engineering - Information Engineering | Λέξεις-κλειδιά: | Bio-sensing;Fibre Bragg gratings;PMMA;Polymer optical fibre;Temperature response;TOPAS | Ημερομηνία Έκδοσης: | Απρ-2008 | Πηγή: | (2008) Proceedings of SPIE - The International Society for Optical Engineering, 6990, art. no. 69900L; Photonic Crystal Fibers II, Strasbourg, France, 9 April 2008 through 10 April 2008 | Conference: | Photonic Crystal Fibers II | Περίληψη: | We report on the temperature response of FBGs recorded in pure PMMA and TOPAS holey fibres. The gratings are fabricated for operational use at near IR wavelengths, using a phase mask and a CW He-Cd laser operating at 325nm. The room temperature grating response is non-linear and characterized by quadratic behaviour for temperatures from room temperature to the glass transition temperature, and this permanent change is affected by the thermal history of the gratings. We also report the first FBG inscription in microstructured polymer optical fibres fabricated from TOPAS. This material is fully polymerized and has very low moisture absorption, leading to very good fibre drawing properties. Furthermore, although TOPAS is chemically inert and bio-molecules do not readily bind to its surface, treatment with Antraquinon and subsequent UV activation allows sensing molecules to be deposited in well defined spatial locations. When combined with grating technology this provides considerable potential for label-free bio-sensing. | Description: | Photonic Crystal Fibers II. Vol. 6990, 69900L (2008) | ISBN: | 978-081947188-8 | ISSN: | 0277-786X | DOI: | 10.1117/12.781019 | Rights: | © 2008 SPIE | Type: | Conference Papers | Affiliation: | Aston University Cyprus University of Technology Frederick Research Center University of Sydney Technical University of Denmark |
Publication Type: | Peer Reviewed |
Εμφανίζεται στις συλλογές: | Δημοσιεύσεις σε συνέδρια /Conference papers or poster or presentation |
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