27 April 2016 Suspended-core silica and lead-silicate fibers for nonlinear application and sensing purposes
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We report development of suspended-core silica and lead-silicate microstructured optical fibers for detection of liquids and supercontinuum generation. Theoretical analysis of effective mode area, dispersion curve, nonlinear coefficient and mode-field overlap is presented. For a specific lead-silicate fiber we determinated the zero dispersion wavelength at 1113 nm with a nonlinear coefficient of 1321 W-1km-1. For detection of liquids both silica and lead-silicate fibers are found to be suitable in different refractive index ranges 1.38-1.44 and 1.68-1.74 respectively. Coupling efficiency into all studied fibers over 40%; fiber attenuation was measured by the cut-back technique and is approximately 2 dB/m for silica glass fibers and over 3 dB/m for lead-silicate fibers.
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Matej Komanec, Tomas Nemecek, Redwan Ahmad, Tomas Martan, Dmytro Suslov, Stanislav Zvanovec, "Suspended-core silica and lead-silicate fibers for nonlinear application and sensing purposes", Proc. SPIE 9886, Micro-Structured and Specialty Optical Fibres IV, 98861C (27 April 2016); doi: 10.1117/12.2227105; https://doi.org/10.1117/12.2227105

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