DOI: https://doi.org/10.18524/0235-2435.2018.27.150649

ОПТИЧЕСКИЕ СВОЙСТВА СТЕКОЛ Ag28Ga28Ge532Er2S1123 И Ag12Ga12Ge228Er2S483

V V. HALYAN, I D OLEKSEYUK, I A. IVASHCHENKO, A. H KEVSHYN, P V TISHCHENKO, M V SHEVCHUK

Анотація


Исследованы спектры поглощения стекол Ag28Ga28Ge532Er2S1123 и Ag12Ga12Ge228Er2S483 в диапазоне 450 – 1050 нм при комнатной температуре. Зафиксировано полосы ФЛ с максимумами 980 и 1540 нм при возбуждении лазером с длиной волны 800 нм. На основе процессов обмена энергией, учитывая частичную кластеризацию ионов эрбия и диаграмму энергетических переходов в ионах Er3+, проанализирован механизм излучения ФЛ

Ключові слова


absorption spectra; photoluminescence; erbium ion; cluster formation; emission mechanism

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Посилання


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ISSN: 0235-2435 (Print)