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Proceedings Paper

Mid-infrared luminescence in HMO glass co-doped with Ho3+/Yb3+ ions
Author(s): Tomasz Ragin; Marcin Kochanowicz; Jacek Zmojda; Piotr Miluski; Piotr Jelen; Maciej Sitarz; Dominik Dorosz
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Paper Abstract

In this work, heavy metal oxide glasses based on Bi2O3–GeO2–Ga2O3–Na2O system have been synthesized under a low vacuum conditions. This procedure reduced absorption band at 3 μm due to OH- ions concentration decrease to 50 ppm. Glass has been characterized by low phonon energy (724 cm-1), low absorption coefficient in the infrared region (1.0 cm-1) and good mechanical and chemical properties. In order to obtain luminescence in the MIR region, holmium and ytterbium ions have been incorporated into the glass matrix. Emission intensity analysis at 2.85 μm associated with the radiative transition between excited levels 5I65I7 in holmium ions under 980 nm laser diode excitation have been investigated. Obtained results allowed to determine the optimal concentration of co-dopants for maximum luminescence intensity. This demonstrate that developed heavy metal oxide glass is an attractive material for mid-infrared applications.

Paper Details

Date Published: 2 September 2016
PDF: 8 pages
Proc. SPIE 10034, 11th Conference on Integrated Optics: Sensors, Sensing Structures, and Methods, 1003402 (2 September 2016); doi: 10.1117/12.2240305
Show Author Affiliations
Tomasz Ragin, Bialystok Univ. of Technology (Poland)
Marcin Kochanowicz, Bialystok Univ. of Technology (Poland)
Jacek Zmojda, Bialystok Univ. of Technology (Poland)
Piotr Miluski, Bialystok Univ. of Technology (Poland)
Piotr Jelen, AGH Univ. of Science and Technology (Poland)
Maciej Sitarz, AGH Univ. of Science and Technology (Poland)
Dominik Dorosz, Bialystok Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 10034:
11th Conference on Integrated Optics: Sensors, Sensing Structures, and Methods
Tadeusz Pustelny; Przemyslaw Struk; Pawel Mergo; Jacek Wojtas, Editor(s)

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