Optical characterization of Tm3+ in a high barium-tellurite glass in absence and presence of Yb3+: Evidence of strong crystal-field effect and efficient Yb3+→Tm3+ energy transfer

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Optical characterization of Tm³⁺ in a high barium-tellurite glass in absence and presence of Yb³⁺: Evidence of strong crystal-field effect and efficient Yb³⁺→Tm³⁺ energy transfer

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作者：S. Bose ; R. Debnath ; ^{drdebnathr@gmail.com" class="auth_mail" title="E-mail the corresponding author}
关键词：Tm3+ doped and (Tm3+/Yb3+) co-doped (high Ba2+)-tellurite glasses ; Strong crystal field effect ; Superior optical properties of Tm3+ ; Efficient phonon assisted Yb3+ to Tm3+ energy transfer
刊名：Journal of Luminescence
出版年：2016
出版时间：January 2016
年：2016
卷：169
期：part_PB
页码：782-787
全文大小：1340 K

文摘

•: Optical properties of Tm³⁺ ion are studied in a (high Ba)-tellurite glass.
•: The glass shows strong absorption and intense IR-emission properties.
•: Judd–Ofelt data suggest – the Tm³⁺ ion in this glass experiences strong crystal field.
•: Yb³⁺-co-doped glass shows strong 804 nm upconversion emission from its Tm³⁺ ion under 980 nm laser excitation.
•: Optical data show prospect of use of the glasses as IR laser medium and as bio-marker.