25 April 2012 Femtosecond and UV inscribed grating characterization in photonic crystal fibres: optimization for sensing applications
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Abstract
Photonic crystal fibres (PCF) and more commonly microstructure fibres, remain interesting and novel fibre types and when suitably designed can prove to be "ideal" for sensing applications, as the different geometrical arrangement of the air holes alters their optical wave-guiding properties, whilst also providing tailored dispersion characteristics. This impacts the performance of grating structures, which offer wavelength encoded sensing information. We undertake a study on different air hole geometries and proceed with characterization of fibre Bragg and long period gratings, FBG and LPG, respectively that have been inscribed (using either a femtosecond or ultraviolet laser system) within different designs of microstructured fibre that are of interest for sensing applications.
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Charalambos Koutsides, Charalambos Koutsides, Eleni Yiangou, Eleni Yiangou, Christos Themistos, Christos Themistos, Michael Komodromos, Michael Komodromos, Paul Christodoulides, Paul Christodoulides, Kyriacos Kalli, Kyriacos Kalli, } "Femtosecond and UV inscribed grating characterization in photonic crystal fibres: optimization for sensing applications", Proc. SPIE 8426, Microstructured and Specialty Optical Fibres, 84261O (25 April 2012); doi: 10.1117/12.925662; https://doi.org/10.1117/12.925662
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