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https://hdl.handle.net/20.500.14279/4194
Τίτλος: | Numerical modeling of complex femtosecond laser inscribed fiber gratings: comparison with experiment | Συγγραφείς: | Kalli, Kyriacos Webb, David J. Zhang, Lin Koutsides, Charalambos |
metadata.dc.contributor.other: | Καλλή, Κυριάκος Κουτσίδης, Χαράλαμπος |
Major Field of Science: | Engineering and Technology | Field Category: | Electrical Engineering - Electronic Engineering - Information Engineering | Λέξεις-κλειδιά: | Fiber optics;Finite element method | Ημερομηνία Έκδοσης: | Μαΐ-2011 | Πηγή: | (2011) Proceedings of SPIE - The International Society for Optical Engineering, 7753, art. no. 77536Q; 21st International Conference on Optical Fiber Sensors,ON,15 -19 May 2011,Ottawa | Conference: | International Conference on Optical Fiber Sensors | Περίληψη: | We present experimental studies and numerical modeling based on a combination of the Bidirectional Beam Propagation Method and Finite Element Modeling that completely describes the wavelength spectra of point by point femtosecond laser inscribed fiber Bragg gratings, showing excellent agreement with experiment. We have investigated the dependence of different spectral parameters such as insertion loss, all dominant cladding and ghost modes and their shape relative to the position of the fiber Bragg grating in the core of the fiber. Our model is validated by comparing model predictions with experimental data and allows for predictive modeling of the gratings. We expand our analysis to more complicated structures, where we introduce symmetry breaking; this highlights the importance of centered gratings and how maintaining symmetry contributes to the overall spectral quality of the inscribed Bragg gratings. Finally, the numerical modeling is applied to superstructure gratings and a comparison with experimental results reveals a capability for dealing with complex grating structures that can be designed with particular wavelength characteristics. | ISBN: | 978-081948246-4 | ISSN: | 0277-786X | DOI: | 10.1117/12.885124 | Rights: | © 2011 SPIE. | Type: | Conference Papers | Affiliation: | Cyprus University of Technology Aston University |
Funding: | Oz Optics,Simbol Test Systems, Inc.,FISO Technologies, Inc.,CMC Microsystems Corporation,Innovative Economy: National Strategic Reference Framework | Publication Type: | Peer Reviewed |
Εμφανίζεται στις συλλογές: | Δημοσιεύσεις σε συνέδρια /Conference papers or poster or presentation |
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