Energy transfer between Tm3+ and Er3+ ions in a TeO2-based glass pumped at diode laser wavelength
Identifieur interne : 000771 ( Pascal/Curation ); précédent : 000770; suivant : 000772Energy 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.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Dopage.
English descriptors
- KwdEn :
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(4I11/2) + Er2(4I13/2) → Er1(4I15/2) + Er2(4F9/2) to the process. Energy migration among pumped 4I9/2 level reducing the efficiency of the upconversion emission rate (3H11/2, 4S3/2, and 4F9/2) 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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and Er<sup>3+</sup>
ions in a TeO<sub>2</sub>
-based glass pumped at diode laser wavelength</title>
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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="1"><inist:fA14 i1="01"><s1>Departamento de Física, Universidade Fédéral de Alagoas</s1>
<s2>Maceió, 57072/970, AL</s2>
<s3>BRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
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<country>Brésil</country>
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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>
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<s2>Maceió, 57072/970, AL</s2>
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<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Brésil</country>
</affiliation>
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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>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Departamento de Física, Universidade Fédéral de Alagoas</s1>
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</inist:fA14>
<country>Brésil</country>
</affiliation>
</author>
<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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<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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<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>
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<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>
<inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0022-3093</s0>
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<fA05><s2>353</s2>
</fA05>
<fA06><s2>1</s2>
</fA06>
<fA08 i1="01" i2="1" l="ENG"><s1>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</s1>
</fA08>
<fA11 i1="01" i2="1"><s1>DE SOUZA (A. B.)</s1>
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<fA14 i1="01"><s1>Departamento de Física, Universidade Fédéral de Alagoas</s1>
<s2>Maceió, 57072/970, AL</s2>
<s3>BRA</s3>
<sZ>1 aut.</sZ>
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<sZ>3 aut.</sZ>
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<fA14 i1="02"><s1>Instituto de Química, UNESP</s1>
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<sZ>5 aut.</sZ>
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<fA60><s1>P</s1>
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<fC01 i1="01" l="ENG"><s0>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.</s0>
</fC01>
<fC02 i1="01" i2="3"><s0>001B70H55Q</s0>
</fC02>
<fC03 i1="01" i2="3" l="FRE"><s0>Transfert énergie</s0>
<s5>02</s5>
</fC03>
<fC03 i1="01" i2="3" l="ENG"><s0>Energy transfer</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="3" l="FRE"><s0>Addition thulium</s0>
<s5>03</s5>
</fC03>
<fC03 i1="02" i2="3" l="ENG"><s0>Thulium additions</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Dopage</s0>
<s5>04</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Doping</s0>
<s5>04</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Doping</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Conversion fréquence</s0>
<s5>05</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Frequency conversion</s0>
<s5>05</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Conversión frecuencia</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="3" l="FRE"><s0>Fluorescence</s0>
<s5>06</s5>
</fC03>
<fC03 i1="05" i2="3" l="ENG"><s0>Fluorescence</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="3" l="FRE"><s0>Addition erbium</s0>
<s5>07</s5>
</fC03>
<fC03 i1="06" i2="3" l="ENG"><s0>Erbium additions</s0>
<s5>07</s5>
</fC03>
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<s5>08</s5>
</fC03>
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<s5>08</s5>
</fC03>
<fC03 i1="08" i2="3" l="FRE"><s0>Photoluminescence</s0>
<s5>09</s5>
</fC03>
<fC03 i1="08" i2="3" l="ENG"><s0>Photoluminescence</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Equation vitesse</s0>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Rate equation</s0>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Ecuación velocidad</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="3" l="FRE"><s0>Verre chalcogénure</s0>
<s5>15</s5>
</fC03>
<fC03 i1="10" i2="3" l="ENG"><s0>Chalcogenide glasses</s0>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Tellurite</s0>
<s2>NA</s2>
<s5>16</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Tellurites</s0>
<s2>NA</s2>
<s5>16</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Telurito</s0>
<s2>NA</s2>
<s5>16</s5>
</fC03>
<fC03 i1="12" i2="3" l="FRE"><s0>7855Q</s0>
<s4>INC</s4>
<s5>60</s5>
</fC03>
<fN21><s1>190</s1>
</fN21>
</pA>
</standard>
</inist>
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