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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Optimization of Dy3+-doped Ge-Ga-As-S-CsBr glass composition and its 1.31 mu m emission properties
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Optimization of Dy3+-doped Ge-Ga-As-S-CsBr glass composition and its 1.31 mu m emission properties

机译：掺Dy3 +的Ge-Ga-As-S-CsBr玻璃组成的优化及其1.31μm发光特性

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摘要

An optimum glass composition for practical fiber fabrication was investigated for Ge-Ga-As-S-CsBr glasses. Dy3+ was doped into the glasses and its emission properties were examined. The best composition for practical use was 0.7[Ge0.25As0.1S0.65]-0.15GaS(3/2)-0.15CsBr. This glass also exhibited high resistance against the attack of liquid water. 0.7[Ge0.25As0.1S0.65]-0.15GaS(3/2) The lifetime and quantum efficiency of the 1.31 mum emission from Dy3+ increased approximately 17 and 4 times, respectively, compared to those obtained from other sulfide glasses. This is due to the formation of [GaS3/2Br](-) units. The frequency of the effective phonon which dominates the multiphonon relaxation process decreased from 375 to 245 cm(-1) with the addition of CsBr. (C) 2002 Elsevier Science B.V. All rights reserved. [References: 25]
机译：研究了用于实际纤维制造的最佳玻璃成分，用于Ge-Ga-As-S-CsBr玻璃。将Dy3 +掺杂到玻璃中并检查其发射特性。实际使用的最佳组成是0.7 [Ge0.25As0.1S0.65] -0.15GaS（3/2）-0.15CsBr。这种玻璃还表现出高的抵抗液态水侵蚀的能力。 0.7 [Ge0.25As0.1S0.65] -0.15GaS（3/2）与其他硫化物玻璃相比，Dy3 +产生的1.31原子发射的寿命和量子效率分别提高了约17倍和4倍。这是由于形成了[GaS3 / 2Br]（-）单元。通过添加CsBr，主导多声子弛豫过程的有效声子的频率从375降至245 cm（-1）。 （C）2002 Elsevier Science B.V.保留所有权利。 [参考：25]

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