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 SM ISO690:2012LUPAN, Elena, CIORNEA, Viorel, YOVU, M.. Absorption and Emission Spectra of Ga0.017Ge0.25As0.083S0.65 Glasses Doped with Dy3+. In: Microelectronics and Computer Science: The 6th International Conference, Ed. 6, 1-3 octombrie 2009, Chisinau. Bălți, Republica Moldova: Universitatea de Stat „Alecu Russo" din Bălţi, 2009, Ediţia 6, pp. 99-102. ISBN 978-9975-45-122-2. |
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| Microelectronics and Computer Science Ediţia 6, 2009 |
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Conferința "Microelectronics and Computer Science" 6, Chisinau, Moldova, 1-3 octombrie 2009 | ||||||
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The absorption spectra in the visible and near IR regions for Ga0.017Ge0.25As0.083S0.65 are investigated. The visible luminescence from Dy3+, and co-doped with Ho3+ and Dy3+ ions embedded in Ga0.017Ge0.25As0.083S0.65 glass hosts at room temperature and at T=10 K is reported, when pumping with an Ar+-ion laser at λ=488 nm. Fluorescence emissions at around 1300 nm was observed for Dy3+ doped glasses with wavelength pumping at 950 nm. Energy transfer from Ho3+:5F3 level to Dy3+:4F9/2 level increase the visible emission efficiency at 650 nm and at ~1300 nm in the co-doped glasses. The investigated Ga0.017Ge0.25As0.083S0.65 glasses doped with Dy3+ are promising amplifier materials for 1300 and 1500 nm fiber optic telecommunication windows. |
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| Cuvinte-cheie chalcogenide glasses, optical absorption, photoluminescence, Rare-earth ions |
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