Effect of OH- Content on Mid-infrared Emission Properties in Er3+-doped Ge-Ga-S-CsI Glasses
Source abstract
Abstract
采用蒸馏提纯工艺制备了五组不同Er 3+ 离子掺杂浓度的Ge-Ga-S-CsI玻璃样品, 测试了样品的折射率、红外透过光谱, 以及800nm激光泵浦下样品在2.85um处的中红外荧光光谱和荧光寿命, 计算了样品中OH - 在3um处的红外吸收系数以及Er 3+ 离子与OH - 基团相互作用的强度参量KOH-Er, 讨论了OH - 根杂质对样品中红外荧光特性的影响. 结果表明: 蒸馏提纯工艺能有效降低玻璃样品中的OH - 残留量, 增强Er 3+ 离子2.85um中红外荧光强度和荧光寿命. 计算得到KOH-Er值为1.08×10 -16 cm 4 /s, 由于Er 3+ 离子与OH - 之间单声子能量转移的高效性, 残存的少量OH?基团仍会影响2.85um荧光的强度.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Glass properties and applications · Phase-change materials and chalcogenides · Silicon Nanostructures and Photoluminescence
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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