Microstructure-size dependence of the 1.520 μm Er3+ luminescence lifetime in Al2O3–ZrO2 eutectic melt growth composites
作者： R. I. Merino , J. A. Pardo , J. I. Peña , V. M. Orera
DOI: 10.1063/1.1445469
关键词:
摘要: The radiative lifetime of the 4I13/2 level Er3+ was modified up to 15% by changing microstructure in laser-floating-zone-grown Er3+-doped Al2O3–ZrO2 eutectic melt growth composites. Erbium enters only higher-refractive-index ZrO2 phase, which occupies 30% volume sample. lifetimes 4S3/2 (545 nm) and (1520 levels were measured at 10 K room temperature different microstructures. variation this last with interphase spacing is due change available electromagnetic modes 1520 nm optical environment luminescent ion.
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