Spectroscopic properties and energy transfer of Tm(3+)/Ho(3+)-codoped TeO(2)-WO(3)-ZnO glasses for 1.47mum amplifier.
Identifieur interne : 000558 ( PubMed/Corpus ); précédent : 000557; suivant : 000559Spectroscopic properties and energy transfer of Tm(3+)/Ho(3+)-codoped TeO(2)-WO(3)-ZnO glasses for 1.47mum amplifier.
Auteurs : Ganxin Chen ; Qinyuan Zhang ; Yun Cheng ; Chun Zhao ; Qi Qian ; Zhongmin Yang ; Zhonghong JiangSource :
- Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy [ 1386-1425 ] ; 2009.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Holmium, Oxides, Tellurium, Thulium, Tungsten, Zinc Oxide.
- chemistry : Glass.
- Spectrum Analysis.
Abstract
We report on spectroscopic properties and energy transfer of Tm(3+)/Ho(3+)-codoped tungsten tellurite glasses for 1.47microm amplifier. Fluorescence spectra and the analysis of energy transfer indicate that Ho(3+) is an excellent codopant for 1.47microm emission. Comparing with other tellurite glasses, the radiative lifetime of the (3)H(4) level of Tm(3+) in tungsten tellurite glass is slightly lower, but the spontaneous emission probability, stimulated emission cross-section and the figure of merit for bandwidth are obviously larger. Although the pump efficiency of tungsten tellurite amplifier is approximately 50% less than that of fluoride glass, the figure of merit for bandwidth is approximately three times larger in tungsten tellurite glass than in fluoride glass. The results indicate that Tm(3+)/Ho(3+)-codoped tungsten tellurite glass is attractive for broadband amplifier.
DOI: 10.1016/j.saa.2008.11.014
PubMed: 19111500
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pubmed:19111500Le document en format XML
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<author><name sortKey="Chen, Ganxin" sort="Chen, Ganxin" uniqKey="Chen G" first="Ganxin" last="Chen">Ganxin Chen</name>
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<author><name sortKey="Zhang, Qinyuan" sort="Zhang, Qinyuan" uniqKey="Zhang Q" first="Qinyuan" last="Zhang">Qinyuan Zhang</name>
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<author><name sortKey="Cheng, Yun" sort="Cheng, Yun" uniqKey="Cheng Y" first="Yun" last="Cheng">Yun Cheng</name>
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<author><name sortKey="Zhao, Chun" sort="Zhao, Chun" uniqKey="Zhao C" first="Chun" last="Zhao">Chun Zhao</name>
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<author><name sortKey="Qian, Qi" sort="Qian, Qi" uniqKey="Qian Q" first="Qi" last="Qian">Qi Qian</name>
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<author><name sortKey="Yang, Zhongmin" sort="Yang, Zhongmin" uniqKey="Yang Z" first="Zhongmin" last="Yang">Zhongmin Yang</name>
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<author><name sortKey="Jiang, Zhonghong" sort="Jiang, Zhonghong" uniqKey="Jiang Z" first="Zhonghong" last="Jiang">Zhonghong Jiang</name>
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<front><div type="abstract" xml:lang="en">We report on spectroscopic properties and energy transfer of Tm(3+)/Ho(3+)-codoped tungsten tellurite glasses for 1.47microm amplifier. Fluorescence spectra and the analysis of energy transfer indicate that Ho(3+) is an excellent codopant for 1.47microm emission. Comparing with other tellurite glasses, the radiative lifetime of the (3)H(4) level of Tm(3+) in tungsten tellurite glass is slightly lower, but the spontaneous emission probability, stimulated emission cross-section and the figure of merit for bandwidth are obviously larger. Although the pump efficiency of tungsten tellurite amplifier is approximately 50% less than that of fluoride glass, the figure of merit for bandwidth is approximately three times larger in tungsten tellurite glass than in fluoride glass. The results indicate that Tm(3+)/Ho(3+)-codoped tungsten tellurite glass is attractive for broadband amplifier.</div>
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<Abstract><AbstractText>We report on spectroscopic properties and energy transfer of Tm(3+)/Ho(3+)-codoped tungsten tellurite glasses for 1.47microm amplifier. Fluorescence spectra and the analysis of energy transfer indicate that Ho(3+) is an excellent codopant for 1.47microm emission. Comparing with other tellurite glasses, the radiative lifetime of the (3)H(4) level of Tm(3+) in tungsten tellurite glass is slightly lower, but the spontaneous emission probability, stimulated emission cross-section and the figure of merit for bandwidth are obviously larger. Although the pump efficiency of tungsten tellurite amplifier is approximately 50% less than that of fluoride glass, the figure of merit for bandwidth is approximately three times larger in tungsten tellurite glass than in fluoride glass. The results indicate that Tm(3+)/Ho(3+)-codoped tungsten tellurite glass is attractive for broadband amplifier.</AbstractText>
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