Spectral properties and stability of Er3+-doped TeO2-WO3 glass

Zhao  SL; Chen  BY; Wen  LHu  LL

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Spectral properties and stability of Er3+-doped TeO2-WO3 glass

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Er3+-doped TeO2-WO3 glass was fabricated and characterized by absorption spectrum, fluorescence spectrum, Raman spectrum and stability. The Judd-Ofelt parameter ohm(t)(t = 2, 4, 6) were calculated from the absorption spectrum by the Judd-Ofelt theory. The fluorescence spectrum indicates that the fluorescence width at half-maximum (FWHM) is 66nm. The stimulated emission cross-section of Er3+ in TeO2-WO3 glass at 1532 nm was calculated to be 0.80 x 10(-20) cm(2) by McCumber theory. The phonon energy of TeO2-WO3 glass is found to be 931 cm(-1). The difference between crystallization onset temperature and glass transition temperature Delta T is 112 degrees C. These results show that Er3+-doped TeO2-WO3 glass has higher stability and good spectral properties, which were useful for broadband amplifier. (c) 2005 Elsevier B.V. All rights reserved.

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来源
《Materials Chemistry and Physics》 |2006年第3期|210-213|共4页
作者
Zhao SL; Chen BY; Wen LHu LL;
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作者单位

China Jiliang Univ, Coll Informat Engn, Hangzhou 310018, Peoples R China;

Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种英语
中图分类工程材料学;
关键词
rare-earth doped glass; spectral properties; stability; RARE-EARTH IONS; UP-CONVERSION; OPTICAL-TRANSITIONS; FIBER AMPLIFIERS; CROSS-SECTIONS; INTENSITIES; ABSORPTION;

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Spectral properties and stability of Er3+-doped TeO2-WO3 glass

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