Mid-infrared emission and Raman spectra analysis of Er(3+)-doped oxyfluorotellurite glasses.
作者： Fangze Chen , Shaoqiong Xu , Tao Wei , Fengchao Wang , Muzhi Cai
DOI: 10.1364/AO.54.003345
关键词:
摘要: This paper reports on the spectroscopic and structural properties in Er3+-doped oxyfluorotellurite glasses. The compositional variation accounts for evolutions of Raman spectra, Judd–Ofelt parameters, radiative properties, fluorescent emission. It is found that, when maximum phonon energy changes slightly, density plays a crucial role quenching 2.7 μm emission generated by Er3+∶I11/24→I413/2 transition. comparative low contributes strong intensity. high branching ratio (18.63%) large cross section (0.95×10−20 cm2) demonstrate that glass contained with 50 mol.% TeO2 has potential application mid-infrared region laser.
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