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Phonon Sideband Analysis and Near-Infrared Emission in Heavy Metal Oxide Glasses

机译:密码边带分析和重金属氧化物眼镜的近红外发射

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摘要

In this work, spectroscopic properties of europium and erbium ions in heavy metal oxide glasses have been studied. The phonon energy of the glass host was determined based on Eu3+ excitation spectra measurements. Near-IR emission spectra at 1550 nm related to 4I13/2 → 4I15/2 transition of erbium in heavy metal glasses were examined with special regards to luminescence bandwidth and measured lifetime. In particular, correlation between phonon energy and the measured lifetime 4I13/2 (Er3+) was proposed. The luminescence lifetime for the 4I13/2 upper laser state of erbium decreases with increasing phonon energy in glass matrices. Completely different results were obtained glass samples with europium ions, where the 5D0 lifetime increases with increasing phonon energy. Our investigations suggest that the values of measured 5D0 lifetime equal to radiative lifetimes for all heavy metal oxide glasses.
机译:在这项工作中,研究了重金属氧化物玻璃中铕和铒离子的光谱性质。基于EU3 +激发光谱测量来确定玻璃主体的声子能量。与4i13 / 2→4i15 / 2→4i15 / 2 erbium的1550nm相关的近红外发射光谱被检查在重金玻璃中的erbium erbium的过渡,并考虑到发光带宽和测量的寿命。特别地,提出了Phonon能量与测量的寿命4i13 / 2(ER3 +)之间的相关性。利用玻璃基质中的声子能量增加,4i13 / 2上激光erbium的发光寿命减少。通过铕离子获得完全不同的结果,其中5d0寿命随着旋转能量的增加而增加。我们的研究表明,测量的5d0寿命的值等于所有重金属氧化物玻璃的辐射寿命。

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