2.00 μm Emission Properties of Tm 3+ /Ho 3+ Co-doped Chal-cohalide Glasses: 2.00 μm Emission Properties of Tm 3+ /Ho 3+ Co-doped Chal-cohalide Glasses
Source abstract
Abstract
通过真空熔融淬冷法制备了不同浓度Tm 3+ /Ho 3+ 离子共掺的70GeS 2 -20In 2 S 3 -10CsI玻璃样品, 分析了样品的热稳定性及拉曼光谱, 测试了样品的吸收光谱以及808 nm激光泵浦下Ho 3+ : 5 I 7 → 5 I 8 辐射跃迁对应的2.00 μm荧光光谱特性. 结果表明: Tm 3+ 离子掺杂浓度为0.25mol%时, 随着Ho 3+ 离子掺杂浓度从0.05mol%增加到0.125mol%, Tm 3+ 离子在1.86 μm的发光强度逐渐减弱, Ho 3+ 离子2.00 μm荧光明显增强, 表明Tm 3+ /Ho 3+ 离子之间存在有效的能量转移.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Glass properties and applications · Phase-change materials and chalcogenides
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