Enhanced 2.0 microm emission and gain coefficient of transparent glass ceramic containing BaF2: Ho3+,Tm3+ nanocrystals.
Identifieur interne : 000F46 ( Main/Exploration ); précédent : 000F45; suivant : 000F47Enhanced 2.0 microm emission and gain coefficient of transparent glass ceramic containing BaF2: Ho3+,Tm3+ nanocrystals.
Auteurs : W J Zhang [République populaire de Chine] ; Q Y Zhang ; Q J Chen ; Q. Qian ; Z M Yang ; J R Qiu ; P. Huang ; Y S WangSource :
- Optics express [ 1094-4087 ] ; 2009.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Barium Compounds, Fluorides, Holmium, Thulium.
- chemistry : Ceramics, Glass, Nanoparticles.
- instrumentation : Spectrophotometry, Infrared.
- Equipment Design, Ions, Lasers, Microscopy, Electron, Transmission, X-Ray Diffraction.
Abstract
Transparent glass ceramic containing BaF(2):Ho(3+),Tm(3+) nanocrystals has been prepared by melt quenching and subsequent thermal treatment. The precipitation of BaF(2) nanocrystals was confirmed by X-ray diffraction and high-resolution transmission electron microscopy. Intense 2.0 microm fluorescence originating from Ho(3+): (5)I(7) --> (5)I(8) transition was achieved upon excitation with 808 nm laser diode. A large ratio of forward Tm(3+) --> Ho(3+) energy transfer constant to that of backward process indicated high efficient energy transfer from Tm(3+)((3)F(4)) to Ho(3+)((5)I(7)), benefited from the reduced ionic distances of Tm(3+)-Tm(3+) and Tm(3+)-Ho(3+) pairs and low phonon energy environment with the incorporation of rare-earth ions into the precipitated BaF(2) nanocrystals. The results indicate that glass ceramic is a promising candidate material for 2.0 microm laser.
PubMed: 19997333
Affiliations:
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Le document en format XML
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Enhanced 2.0 microm emission and gain coefficient of transparent glass ceramic containing BaF2: Ho3+,Tm3+ nanocrystals.</title>
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<author><name sortKey="Zhang, Q Y" sort="Zhang, Q Y" uniqKey="Zhang Q" first="Q Y" last="Zhang">Q Y Zhang</name>
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<author><name sortKey="Chen, Q J" sort="Chen, Q J" uniqKey="Chen Q" first="Q J" last="Chen">Q J Chen</name>
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<author><name sortKey="Qian, Q" sort="Qian, Q" uniqKey="Qian Q" first="Q" last="Qian">Q. Qian</name>
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<author><name sortKey="Yang, Z M" sort="Yang, Z M" uniqKey="Yang Z" first="Z M" last="Yang">Z M Yang</name>
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<author><name sortKey="Qiu, J R" sort="Qiu, J R" uniqKey="Qiu J" first="J R" last="Qiu">J R Qiu</name>
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<author><name sortKey="Wang, Y S" sort="Wang, Y S" uniqKey="Wang Y" first="Y S" last="Wang">Y S Wang</name>
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<series><title level="j">Optics express</title>
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<term>Ceramics (chemistry)</term>
<term>Equipment Design</term>
<term>Fluorides (chemistry)</term>
<term>Glass (chemistry)</term>
<term>Holmium (chemistry)</term>
<term>Ions</term>
<term>Lasers</term>
<term>Microscopy, Electron, Transmission</term>
<term>Nanoparticles (chemistry)</term>
<term>Spectrophotometry, Infrared (instrumentation)</term>
<term>Thulium (chemistry)</term>
<term>X-Ray Diffraction</term>
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<term>Conception d'appareillage</term>
<term>Céramiques ()</term>
<term>Diffraction des rayons X</term>
<term>Fluorures ()</term>
<term>Holmium ()</term>
<term>Ions</term>
<term>Lasers</term>
<term>Microscopie électronique à transmission</term>
<term>Nanoparticules ()</term>
<term>Spectrophotométrie IR (instrumentation)</term>
<term>Thulium ()</term>
<term>Verre ()</term>
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<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Barium Compounds</term>
<term>Fluorides</term>
<term>Holmium</term>
<term>Thulium</term>
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<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Ceramics</term>
<term>Glass</term>
<term>Nanoparticles</term>
</keywords>
<keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Spectrophotometry, Infrared</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Equipment Design</term>
<term>Ions</term>
<term>Lasers</term>
<term>Microscopy, Electron, Transmission</term>
<term>X-Ray Diffraction</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr"><term>Composés du baryum</term>
<term>Conception d'appareillage</term>
<term>Céramiques</term>
<term>Diffraction des rayons X</term>
<term>Fluorures</term>
<term>Holmium</term>
<term>Ions</term>
<term>Lasers</term>
<term>Microscopie électronique à transmission</term>
<term>Nanoparticules</term>
<term>Spectrophotométrie IR</term>
<term>Thulium</term>
<term>Verre</term>
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<front><div type="abstract" xml:lang="en">Transparent glass ceramic containing BaF(2):Ho(3+),Tm(3+) nanocrystals has been prepared by melt quenching and subsequent thermal treatment. The precipitation of BaF(2) nanocrystals was confirmed by X-ray diffraction and high-resolution transmission electron microscopy. Intense 2.0 microm fluorescence originating from Ho(3+): (5)I(7) --> (5)I(8) transition was achieved upon excitation with 808 nm laser diode. A large ratio of forward Tm(3+) --> Ho(3+) energy transfer constant to that of backward process indicated high efficient energy transfer from Tm(3+)((3)F(4)) to Ho(3+)((5)I(7)), benefited from the reduced ionic distances of Tm(3+)-Tm(3+) and Tm(3+)-Ho(3+) pairs and low phonon energy environment with the incorporation of rare-earth ions into the precipitated BaF(2) nanocrystals. The results indicate that glass ceramic is a promising candidate material for 2.0 microm laser.</div>
</front>
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<region><li>Guangdong</li>
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<settlement><li>Jiangmen</li>
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<tree><noCountry><name sortKey="Chen, Q J" sort="Chen, Q J" uniqKey="Chen Q" first="Q J" last="Chen">Q J Chen</name>
<name sortKey="Huang, P" sort="Huang, P" uniqKey="Huang P" first="P" last="Huang">P. Huang</name>
<name sortKey="Qian, Q" sort="Qian, Q" uniqKey="Qian Q" first="Q" last="Qian">Q. Qian</name>
<name sortKey="Qiu, J R" sort="Qiu, J R" uniqKey="Qiu J" first="J R" last="Qiu">J R Qiu</name>
<name sortKey="Wang, Y S" sort="Wang, Y S" uniqKey="Wang Y" first="Y S" last="Wang">Y S Wang</name>
<name sortKey="Yang, Z M" sort="Yang, Z M" uniqKey="Yang Z" first="Z M" last="Yang">Z M Yang</name>
<name sortKey="Zhang, Q Y" sort="Zhang, Q Y" uniqKey="Zhang Q" first="Q Y" last="Zhang">Q Y Zhang</name>
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<country name="République populaire de Chine"><region name="Guangdong"><name sortKey="Zhang, W J" sort="Zhang, W J" uniqKey="Zhang W" first="W J" last="Zhang">W J Zhang</name>
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