ThuliumV1, Main, Exploration, bibRecord, 001413

Frequency upconversion luminescence in Tm3+/Yb3+-and Ho3+/Yb3+-codoped Ga2O3-GeO2-Bi2O3-PbO glasses

Identifieur interne : 001413 ( Main/Exploration ); précédent : 001412; suivant : 001414

Frequency upconversion luminescence in Tm3+/Yb3+-and Ho3+/Yb3+-codoped Ga2O3-GeO2-Bi2O3-PbO glasses

Auteurs : D. M. Shi [République populaire de Chine] ; Q. Y. Zhang [République populaire de Chine] ; G. F. Yang [République populaire de Chine] ; C. Zhao [République populaire de Chine] ; Z. M. Yang [République populaire de Chine] ; Z. H. Jiang [République populaire de Chine]

Source :

Journal of alloys and compounds [ 0925-8388 ] ; 2008.

RBID : Pascal:08-0493706

Descripteurs français

Pascal (Inist)
- Photoluminescence, Codopage, Addition holmium, Conversion fréquence, Addition ytterbium, Addition thulium, Processus n photons, Transition niveau énergie, Système quaternaire, Oxyde de gallium, Oxyde de germanium, Oxyde de bismuth, Oxyde de plomb, Verre, Verre gallate.
Wicri :
- topic : Verre.

English descriptors

KwdEn :
- Bismuth oxide, Codoping, Energy-level transitions, Frequency conversion, Gallium oxide, Germanium oxide, Glass, Holmium additions, Lead oxide, Multi-photon processes, Photoluminescence, Quaternary systems, Thulium additions, Ytterbium additions.

Abstract

This paper reports on frequency upconversion emission properties of Tm³⁺/Yb³⁺- and Ho³⁺/Yb³⁺-codoped Ga₂O₃-GeO₂-Bi₂O₃-PbO glass upon excitation of 980 nm laser diode. The dependence of the upconversion emission intensity upon the excitation power has been examined and the involved mechanisms have also been discussed. An intense blue emission at 476 nm and two weak red emissions at 650 and 689 nm have clearly been observed in Tm³⁺/Yb³⁺-codoped samples, which are assigned to the ¹G₄ → ³H_6, ¹G₄ → ³F₄ and ³F_2,3 → ³H₆ transitions of Tm³⁺ ions. The cube-like dependence of the 476 and 650 nm emissions on the incident pump laser power, indicates three-photon contribute to the blue-red upconversion emissions, respectively. Meanwhile intense green and red emissions peaked at 545 and 660 nm in Ho³⁺/Yb³⁺-codoped samples, which are ascribed to the transitions of (⁵F₄, ⁵S₂) → ⁵I₈ and ⁵F₅ → ⁵I₈ transitions of Ho³⁺, have been confirmed that two photons contribute to these upconversion processes. The observed upconversion emission intensity as function of Yb³⁺concentration suggests that the presence of the Yb₂O₃ plays a major role in enhancing the upconversion emission efficiency.

Affiliations:

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Le document en format XML

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/Yb<sup>3+</sup>
-and Ho<sup>3+</sup>
/Yb<sup>3+</sup>
-codoped Ga<sub>2</sub>
O<sub>3</sub>
-GeO<sub>2</sub>
-Bi<sub>2</sub>
O<sub>3</sub>
-PbO glasses</title>
<author><name sortKey="Shi, D M" sort="Shi, D M" uniqKey="Shi D" first="D. M." last="Shi">D. M. Shi</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Frequency upconversion luminescence in Tm<sup>3+</sup>
/Yb<sup>3+</sup>
-and Ho<sup>3+</sup>
/Yb<sup>3+</sup>
-codoped Ga<sub>2</sub>
O<sub>3</sub>
-GeO<sub>2</sub>
-Bi<sub>2</sub>
O<sub>3</sub>
-PbO glasses</title>
<author><name sortKey="Shi, D M" sort="Shi, D M" uniqKey="Shi D" first="D. M." last="Shi">D. M. Shi</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Optical Communication Materials, South China University of Technology and Key Laboratory of Special Functional Materials, Ministry of Education</s1>
<s2>Guangzhou 510640</s2>
<s3>CHN</s3>
<sZ>1 aut.</sZ>
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<sZ>4 aut.</sZ>
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</inist:fA14>
<country>République populaire de Chine</country>
<placeName><settlement type="city">Jiangmen</settlement>
<region type="province">Guangdong</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Zhang, Q Y" sort="Zhang, Q Y" uniqKey="Zhang Q" first="Q. Y." last="Zhang">Q. Y. Zhang</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Optical Communication Materials, South China University of Technology and Key Laboratory of Special Functional Materials, Ministry of Education</s1>
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<author><name sortKey="Yang, G F" sort="Yang, G F" uniqKey="Yang G" first="G. F." last="Yang">G. F. Yang</name>
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<placeName><settlement type="city">Jiangmen</settlement>
<region type="province">Guangdong</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Zhao, C" sort="Zhao, C" uniqKey="Zhao C" first="C." last="Zhao">C. Zhao</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Optical Communication Materials, South China University of Technology and Key Laboratory of Special Functional Materials, Ministry of Education</s1>
<s2>Guangzhou 510640</s2>
<s3>CHN</s3>
<sZ>1 aut.</sZ>
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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>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Optical Communication Materials, South China University of Technology and Key Laboratory of Special Functional Materials, Ministry of Education</s1>
<s2>Guangzhou 510640</s2>
<s3>CHN</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
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<placeName><settlement type="city">Jiangmen</settlement>
<region type="province">Guangdong</region>
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<author><name sortKey="Jiang, Z H" sort="Jiang, Z H" uniqKey="Jiang Z" first="Z. H." last="Jiang">Z. H. Jiang</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Optical Communication Materials, South China University of Technology and Key Laboratory of Special Functional Materials, Ministry of Education</s1>
<s2>Guangzhou 510640</s2>
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<series><title level="j" type="main">Journal of alloys and compounds</title>
<title level="j" type="abbreviated">J. alloys compd.</title>
<idno type="ISSN">0925-8388</idno>
<imprint><date when="2008">2008</date>
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<seriesStmt><title level="j" type="main">Journal of alloys and compounds</title>
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</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Bismuth oxide</term>
<term>Codoping</term>
<term>Energy-level transitions</term>
<term>Frequency conversion</term>
<term>Gallium oxide</term>
<term>Germanium oxide</term>
<term>Glass</term>
<term>Holmium additions</term>
<term>Lead oxide</term>
<term>Multi-photon processes</term>
<term>Photoluminescence</term>
<term>Quaternary systems</term>
<term>Thulium additions</term>
<term>Ytterbium additions</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Photoluminescence</term>
<term>Codopage</term>
<term>Addition holmium</term>
<term>Conversion fréquence</term>
<term>Addition ytterbium</term>
<term>Addition thulium</term>
<term>Processus n photons</term>
<term>Transition niveau énergie</term>
<term>Système quaternaire</term>
<term>Oxyde de gallium</term>
<term>Oxyde de germanium</term>
<term>Oxyde de bismuth</term>
<term>Oxyde de plomb</term>
<term>Verre</term>
<term>Verre gallate</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Verre</term>
</keywords>
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<front><div type="abstract" xml:lang="en">This paper reports on frequency upconversion emission properties of Tm<sup>3+</sup>
/Yb<sup>3+</sup>
- and Ho<sup>3+</sup>
/Yb<sup>3+</sup>
-codoped Ga<sub>2</sub>
O<sub>3</sub>
-GeO<sub>2</sub>
-Bi<sub>2</sub>
O<sub>3</sub>
-PbO glass upon excitation of 980 nm laser diode. The dependence of the upconversion emission intensity upon the excitation power has been examined and the involved mechanisms have also been discussed. An intense blue emission at 476 nm and two weak red emissions at 650 and 689 nm have clearly been observed in Tm<sup>3+</sup>
/Yb<sup>3+</sup>
-codoped samples, which are assigned to the <sup>1</sup>
G<sub>4</sub>
 → <sup>3</sup>
H<sub>6,</sub>
 <sup>1</sup>
G<sub>4</sub>
 → <sup>3</sup>
F<sub>4</sub>
 and <sup>3</sup>
F<sub>2,3</sub>
 → <sup>3</sup>
H<sub>6</sub>
 transitions of Tm<sup>3+</sup>
 ions. The cube-like dependence of the 476 and 650 nm emissions on the incident pump laser power, indicates three-photon contribute to the blue-red upconversion emissions, respectively. Meanwhile intense green and red emissions peaked at 545 and 660 nm in Ho<sup>3+</sup>
/Yb<sup>3+</sup>
-codoped samples, which are ascribed to the transitions of (<sup>5</sup>
F<sub>4</sub>
, <sup>5</sup>
S<sub>2</sub>
) → <sup>5</sup>
I<sub>8</sub>
 and <sup>5</sup>
F<sub>5</sub>
 → <sup>5</sup>
I<sub>8</sub>
 transitions of Ho<sup>3+</sup>
, have been confirmed that two photons contribute to these upconversion processes. The observed upconversion emission intensity as function of Yb<sup>3+</sup>
concentration suggests that the presence of the Yb<sub>2</sub>
O<sub>3</sub>
 plays a major role in enhancing the upconversion emission efficiency.</div>
</front>
</TEI>
<affiliations><list><country><li>République populaire de Chine</li>
</country>
<region><li>Guangdong</li>
</region>
<settlement><li>Jiangmen</li>
</settlement>
</list>
<tree><country name="République populaire de Chine"><region name="Guangdong"><name sortKey="Shi, D M" sort="Shi, D M" uniqKey="Shi D" first="D. M." last="Shi">D. M. Shi</name>
</region>
<name sortKey="Jiang, Z H" sort="Jiang, Z H" uniqKey="Jiang Z" first="Z. H." last="Jiang">Z. H. Jiang</name>
<name sortKey="Yang, G F" sort="Yang, G F" uniqKey="Yang G" first="G. F." last="Yang">G. F. Yang</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>
<name sortKey="Zhao, C" sort="Zhao, C" uniqKey="Zhao C" first="C." last="Zhao">C. Zhao</name>
</country>
</tree>
</affiliations>
</record>

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Frequency upconversion luminescence in Tm3+/Yb3+-and Ho3+/Yb3+-codoped Ga2O3-GeO2-Bi2O3-PbO glasses

Frequency upconversion luminescence in Tm3+/Yb3+-and Ho3+/Yb3+-codoped Ga2O3-GeO2-Bi2O3-PbO glasses

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri