2.7 μm mid-infrared emission enhancement of Nd3+ and Er3+ ions co-doped Bi2O3-PbO-Ga2O3 heavy metal oxide glass
Source abstract
Abstract
Abstract The luminescence from Er3+ and Nd3+ co-doped 57PbO-25Bi2O3-18Ga2O3 heavy metal oxide glass (HMOG) were observed and investigated. The mid-infrared emission originated from Er3+: 4I11/2 → 4I13/2 transition and centered at ~2.7 μm was enhanced due to the co-doping of Nd3+ ions and its concentration increase. While, visible upconversion luminescence and near infrared emission were quenched. The decrease of related lifetime indicated the energy transfer between Nd3+ and Er3+, which led to the change of luminescence. The population of Er3+: 4I11/2 level benefitted from larger absorption cross section of Nd3+ ions and the energy transfer Nd3+: 4F3/2 + Er3+: 4I15/2 → Er3+: 4I11/2 + Nd3+: 4I11/2 process. On the other hand, inversed energy transfer process from Er3+ to Nd3+ ions depleted the population of Er3+:4I13/2 levels. The energy transfer efficiency increased with Nd3+ ions concentration increase for the shortened distance between rare earth ions,
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Glass properties and applications · Solid State Laser Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (28)
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