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 SM ISO690:2012NISTREANU, Andrei, ENAKI, Nicolae, YOVU, M., KOROLI, Vlad, FURNISS, D., SEDDON, Angela B.. The spontaneous emission probabilities for Ga-La-S:Pr3+ glass. In: Journal of Optoelectronics and Advanced Materials, 2010, vol. 12, pp. 800-805. ISSN 1454-4164. |
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  Journal of Optoelectronics and Advanced Materials |
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| Volumul 12 / 2010 / ISSN 1454-4164 | ||||||
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| Pag. 800-805 | ||||||
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The absorption and emission spectra of chalcogenide glasses (Ga-La-S:O) doped with trivalent Praseodymium were experimentally investigated and theoretically discussed. The glasses show bright luminescence due to Pr 3+ ion emission. The effect of oxygen on the luminescence spectra is determined by decreasing of host glass self-absorption of the shortwavelength bands. In order to obtain the good agreement between the theoretical model and experimental results we apply the Judd-Ofelt theory for this glass matrix. Radiative transition rates are calculated and compared with measured experimental parameters. The radiative and non-radiative transition processes between the energy levels of the Pr3+ ions stimulated by optical and acoustical vibration modes are proposed in order to obtain the quantitative correlation between the proposed theoretical model and experimental results. |
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| Cuvinte-cheie Ga-La-S, Judd-Ofelt theory, optical absorption, Pr3, Rare-earth doped chalcogenide glasses |
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Dublin Core Export
<?xml version='1.0' encoding='utf-8'?> <oai_dc:dc xmlns:dc='http://purl.org/dc/elements/1.1/' xmlns:oai_dc='http://www.openarchives.org/OAI/2.0/oai_dc/' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:schemaLocation='http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd'> <dc:creator>Nistreanu, A.I.</dc:creator> <dc:creator>Enachi, N.A.</dc:creator> <dc:creator>Iovu, M.S.</dc:creator> <dc:creator>Coroli, V.I.</dc:creator> <dc:creator>Furniss, D.</dc:creator> <dc:creator>Seddon, A.</dc:creator> <dc:date>2010-04-01</dc:date> <dc:description xml:lang='en'><p>The absorption and emission spectra of chalcogenide glasses (Ga-La-S:O) doped with trivalent Praseodymium were experimentally investigated and theoretically discussed. The glasses show bright luminescence due to Pr <sup>3+</sup> ion emission. The effect of oxygen on the luminescence spectra is determined by decreasing of host glass self-absorption of the shortwavelength bands. In order to obtain the good agreement between the theoretical model and experimental results we apply the Judd-Ofelt theory for this glass matrix. Radiative transition rates are calculated and compared with measured experimental parameters. The radiative and non-radiative transition processes between the energy levels of the Pr<sup>3+</sup> ions stimulated by optical and acoustical vibration modes are proposed in order to obtain the quantitative correlation between the proposed theoretical model and experimental results.</p></dc:description> <dc:source>Journal of Optoelectronics and Advanced Materials () 800-805</dc:source> <dc:subject>Ga-La-S</dc:subject> <dc:subject>Judd-Ofelt theory</dc:subject> <dc:subject>optical absorption</dc:subject> <dc:subject>Pr3</dc:subject> <dc:subject>Rare-earth doped chalcogenide glasses</dc:subject> <dc:title>The spontaneous emission probabilities for Ga-La-S:Pr3+ glass</dc:title> <dc:type>info:eu-repo/semantics/article</dc:type> </oai_dc:dc>
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