18 December 2012 Optical and laser properties of new Er:Yb zinc-silicate glasses
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Proceedings Volume 8697, 18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics; 869717 (2012) https://doi.org/10.1117/12.2008392
Event: 18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2012, Ostravice, Czech Republic
Abstract
In this work we have studied fundamental passive and active parameters of new family of erbium and ytterbium doped zinc-silicate glasses with different doping concentration and ratio of erbium and ytterbium ions. Parameters as absorption coefficient, saturation of absorption, emission wavelength, fluorescence lifetime and up-conversion spectra were measured. The laser performance was studied in end-diode pumped configuration with hemispherical resonator. As an excitation source a 30W fiber coupled 975 nm laser diode in pulsed regime was used. Laser action was achieved with four different samples of zinc-silicate glasses on wavelengths ranging from 1540nm to 1570nm. The results were compared with the properties of commercially available phosphate glasses and previous zinc-silicate glass which have similar threshold energy corresponding to 3,3mJ and 3mJ respectively. Newly designed zinc-silicate glasses prepared under improved conditions showed substantially better optical and laser properties in comparison with the previously prepared samples.
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Petr Szotkowski, Petr Szotkowski, Václav Kubeček, Václav Kubeček, Stanislav Stanĕk, Stanislav Stanĕk, Pavla Nekvindová, Pavla Nekvindová, Blanka Švecová, Blanka Švecová, Martin Míka, Martin Míka, "Optical and laser properties of new Er:Yb zinc-silicate glasses", Proc. SPIE 8697, 18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 869717 (18 December 2012); doi: 10.1117/12.2008392; https://doi.org/10.1117/12.2008392
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