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1 October 2018 Effect of alkali content on spectroscopic properties of Er/Ag co-doped antimony-germanate glasses
Tomasz Ragin, Agata Baranowska, Jacek Zmojda, Piotr Miluski, Dariusz Mazur, Marcin Kochanowicz
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Proceedings Volume 10808, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2018; 108084G (2018) https://doi.org/10.1117/12.2500269
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2018, 2018, Wilga, Poland
Abstract
In this work, thermal and spectroscopic properties of antimony-germanate glasses have been presented. Investigated glasses with the different molar content of alkalis (Na2O and K2O) have been co-doped with erbium and silver ions in order to obtain luminescence in the near-infrared region. Along with the increment of alkalis content, an increase of thermal stability parameter ΔT has been observed. High concentration of Na2O and K2O in the glassy matrix results in the presence of a plasmonic peak at the wavelength of 454 nm originating from large volume fraction of silver nanoparticles. Change of the luminescence parameters in the near-infrared region (Er3+: 4 I13/2→4I15/2) has been observed in the function of alkalis content in the glass matrix, which high concentration increases the volume fraction and size of silver nanoparticles promoting the energy transfer channel Er3+→Ag.
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Tomasz Ragin, Agata Baranowska, Jacek Zmojda, Piotr Miluski, Dariusz Mazur, and Marcin Kochanowicz "Effect of alkali content on spectroscopic properties of Er/Ag co-doped antimony-germanate glasses", Proc. SPIE 10808, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2018, 108084G (1 October 2018); https://doi.org/10.1117/12.2500269
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KEYWORDS
Glasses
Silver
Ions
Erbium
Nanoparticles
Luminescence
Spectroscopy
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