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https://hdl.handle.net/20.500.14279/2376
Τίτλος: | Spectral modification of type ia fibre bragg gratings by high power near infra-red lasers | Συγγραφείς: | Kalli, Kyriacos Simpson, Alexander George Zhou, Kaiming |
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;Optical fibers;Fiber optics;High power lasers | Ημερομηνία Έκδοσης: | Απρ-2006 | Πηγή: | (2006) Proceedings of SPIE - The International Society for Optical Engineering, 6193, art. no. 61930Y; Reliability of Optical Fiber Components, Devices, Systems, and Networks III;3 -4 April 2006, Strasbourg,France | Conference: | Reliability of Optical Fiber Components, Devices, Systems, and Networks III | Περίληψη: | We report the first experimental measurements on the spectral modification of Type IA fibre Bragg gratings, incorporated in an optical network, which result from the use of high-power, near infrared lasers. The fibre grating properties are modified in a controlled manner by exploiting the characteristics of the inherent 1400nm absorption band of the optical fibre, which grows in strength during the Type IA grating inscription. If the fibre network is illuminated with a high power laser, having an emission wavelength coincident with the absorption band, the Type IA centre wavelength and chirp can be modified. Furthermore, partial grating erasure is demonstrated. This has serious implications when using Type IA gratings in an optical network, as their spectrum can be modified using purely optical methods (no external heating source acts on the fibre), and to their long-term stability as the grating is shown to decay. Conversely, suitably stabilised gratings can be spectrally tailored, for tuning fibre lasers or edge filter modification in sensing applications, by purely optical means. | ISBN: | 978-081946249-7 | ISSN: | 0277-786X | DOI: | 10.1117/12.662315 | Rights: | © 2006 SPIE. | Type: | Conference Papers | Affiliation: | Higher Technical Institute Cyprus | Affiliation: | Higher Technical Institute Cyprus Photonics Research Group Aston University |
Funding: | SPIE Europe,Conseil General DuBas-Rhin, France,Communaute Urbaine de Strasbourg, France,Region Alsace, France,Alsace Development Agency, France | Publication Type: | Peer Reviewed |
Εμφανίζεται στις συλλογές: | Δημοσιεύσεις σε συνέδρια /Conference papers or poster or presentation |
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