ThuliumV1, Main, Merge, bibRecord, 001698

Energy transfer between Tm3+ and Er3+ ions in a TeO2-based glass pumped at diode laser wavelength

Identifieur interne : 001698 ( Main/Merge ); précédent : 001697; suivant : 001699

Energy transfer between Tm3+ and Er3+ ions in a TeO2-based glass pumped at diode laser wavelength

Auteurs : A. B. De Souza [Brésil] ; M. T. De Araujo [Brésil] ; M. V. D. Vermelho [Brésil] ; F. C. Cassanjes [Brésil] ; S. J. L. Ribeiro [Brésil] ; Y. Massaddeq [Brésil]

Source :

Journal of non-crystalline solids [ 0022-3093 ] ; 2007.

RBID : Pascal:07-0293619

Descripteurs français

Pascal (Inist)
- Transfert énergie, Addition thulium, Dopage, Conversion fréquence, Fluorescence, Addition erbium, Transition niveau énergie, Photoluminescence, Equation vitesse, Verre chalcogénure, Tellurite, 7855Q.
Wicri :
- topic : Dopage.

English descriptors

KwdEn :
- Chalcogenide glasses, Doping, Energy transfer, Energy-level transitions, Erbium additions, Fluorescence, Frequency conversion, Photoluminescence, Rate equation, Tellurites, Thulium additions.

Abstract

In this paper we investigate the energy transfer processes in Tm³⁺/Er³⁺ doped telluride glass pumped at the commercial diode laser pump wavelength ∼800 nm. Tailoring the rare-earths content in the glass matrix, seven main energy transfer channels within the doping range considered were identified. A 6-fold enhancement of the Er³⁺ visible frequency upconversion fluorescence at ∼660 nm is observed due to the inclusion of Tm³⁺ ions. This is evidence of the relevant contribution of the route Er₁(⁴I_11/2) + Er₂(⁴I_13/2) → Er₁(⁴I_15/2) + Er₂(⁴F_9/2) to the process. Energy migration among pumped ⁴I_9/2 level reducing the efficiency of the upconversion emission rate (³H_11/2, ⁴S_3/2, and ⁴F_9/2) is observed for Er³⁺ above 1.5 wt%. The rate equations regarding the observed energy transfer routes are determined and a qualitative analysis of the observed processes is reported.

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Le document en format XML

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 and Er<sup>3+</sup>
 ions in a TeO<sub>2</sub>
-based glass pumped at diode laser wavelength</title>
<author><name sortKey="De Souza, A B" sort="De Souza, A B" uniqKey="De Souza A" first="A. B." last="De Souza">A. B. De Souza</name>
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<author><name sortKey="Vermelho, M V D" sort="Vermelho, M V D" uniqKey="Vermelho M" first="M. V. D." last="Vermelho">M. V. D. Vermelho</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Energy transfer between Tm<sup>3+</sup>
 and Er<sup>3+</sup>
 ions in a TeO<sub>2</sub>
-based glass pumped at diode laser wavelength</title>
<author><name sortKey="De Souza, A B" sort="De Souza, A B" uniqKey="De Souza A" first="A. B." last="De Souza">A. B. De Souza</name>
<affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Departamento de Física, Universidade Fédéral de Alagoas</s1>
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<author><name sortKey="De Araujo, M T" sort="De Araujo, M T" uniqKey="De Araujo M" first="M. T." last="De Araujo">M. T. De Araujo</name>
<affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Departamento de Física, Universidade Fédéral de Alagoas</s1>
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<author><name sortKey="Cassanjes, F C" sort="Cassanjes, F C" uniqKey="Cassanjes F" first="F. C." last="Cassanjes">F. C. Cassanjes</name>
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<author><name sortKey="Massaddeq, Y" sort="Massaddeq, Y" uniqKey="Massaddeq Y" first="Y." last="Massaddeq">Y. Massaddeq</name>
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<placeName><region type="state">État de São Paulo</region>
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<series><title level="j" type="main">Journal of non-crystalline solids</title>
<title level="j" type="abbreviated">J. non-cryst. solids</title>
<idno type="ISSN">0022-3093</idno>
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<seriesStmt><title level="j" type="main">Journal of non-crystalline solids</title>
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<idno type="ISSN">0022-3093</idno>
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</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Chalcogenide glasses</term>
<term>Doping</term>
<term>Energy transfer</term>
<term>Energy-level transitions</term>
<term>Erbium additions</term>
<term>Fluorescence</term>
<term>Frequency conversion</term>
<term>Photoluminescence</term>
<term>Rate equation</term>
<term>Tellurites</term>
<term>Thulium additions</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Transfert énergie</term>
<term>Addition thulium</term>
<term>Dopage</term>
<term>Conversion fréquence</term>
<term>Fluorescence</term>
<term>Addition erbium</term>
<term>Transition niveau énergie</term>
<term>Photoluminescence</term>
<term>Equation vitesse</term>
<term>Verre chalcogénure</term>
<term>Tellurite</term>
<term>7855Q</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Dopage</term>
</keywords>
</textClass>
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</teiHeader>
<front><div type="abstract" xml:lang="en">In this paper we investigate the energy transfer processes in Tm<sup>3+</sup>
/Er<sup>3+</sup>
 doped telluride glass pumped at the commercial diode laser pump wavelength ∼800 nm. Tailoring the rare-earths content in the glass matrix, seven main energy transfer channels within the doping range considered were identified. A 6-fold enhancement of the Er<sup>3+</sup>
 visible frequency upconversion fluorescence at ∼660 nm is observed due to the inclusion of Tm<sup>3+</sup>
 ions. This is evidence of the relevant contribution of the route Er<sub>1</sub>
(<sup>4</sup>
I<sub>11/2</sub>
) + Er<sub>2</sub>
(<sup>4</sup>
I<sub>13/2</sub>
) → Er<sub>1</sub>
(<sup>4</sup>
I<sub>15/2</sub>
) + Er<sub>2</sub>
(<sup>4</sup>
F<sub>9/2</sub>
) to the process. Energy migration among pumped <sup>4</sup>
I<sub>9/2</sub>
 level reducing the efficiency of the upconversion emission rate (<sup>3</sup>
H<sub>11/2</sub>
, <sup>4</sup>
S<sub>3/2</sub>
, and <sup>4</sup>
F<sub>9/2</sub>
) is observed for Er<sup>3+</sup>
 above 1.5 wt%. The rate equations regarding the observed energy transfer routes are determined and a qualitative analysis of the observed processes is reported.</div>
</front>
</TEI>
<affiliations><list><country><li>Brésil</li>
</country>
<region><li>Alagoas</li>
<li>État de São Paulo</li>
</region>
</list>
<tree><country name="Brésil"><region name="Alagoas"><name sortKey="De Souza, A B" sort="De Souza, A B" uniqKey="De Souza A" first="A. B." last="De Souza">A. B. De Souza</name>
</region>
<name sortKey="Cassanjes, F C" sort="Cassanjes, F C" uniqKey="Cassanjes F" first="F. C." last="Cassanjes">F. C. Cassanjes</name>
<name sortKey="De Araujo, M T" sort="De Araujo, M T" uniqKey="De Araujo M" first="M. T." last="De Araujo">M. T. De Araujo</name>
<name sortKey="Massaddeq, Y" sort="Massaddeq, Y" uniqKey="Massaddeq Y" first="Y." last="Massaddeq">Y. Massaddeq</name>
<name sortKey="Ribeiro, S J L" sort="Ribeiro, S J L" uniqKey="Ribeiro S" first="S. J. L." last="Ribeiro">S. J. L. Ribeiro</name>
<name sortKey="Vermelho, M V D" sort="Vermelho, M V D" uniqKey="Vermelho M" first="M. V. D." last="Vermelho">M. V. D. Vermelho</name>
</country>
</tree>
</affiliations>
</record>

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Energy transfer between Tm3+ and Er3+ ions in a TeO2-based glass pumped at diode laser wavelength

Energy transfer between Tm3+ and Er3+ ions in a TeO2-based glass pumped at diode laser wavelength

Source :

Descripteurs français

English descriptors

Abstract

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

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri