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CaF2 doped with Tm3+ : A cluster model

Identifieur interne : 001446 ( Main/Exploration ); précédent : 001445; suivant : 001447

CaF2 doped with Tm3+ : A cluster model

Auteurs : S. Renard [France] ; P. Camy [France] ; Alain Braud [France] ; J. L. Doualan [France] ; R. Moncorge [France]

Source :

RBID : Pascal:08-0239087

Descripteurs français

English descriptors

Abstract

Experimental evidence of ion clustering is studied in Tm3+:CaF2 using the spectroscopic signature given by the quenching of the 1.45 μm fluorescence. A model, based on rate equations, and taking into account the probabilities of the different states for clusters, is proposed. The agreement with experimental data appears better with a pair model than with a conventional rate equation model analysis.


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Le document en format XML

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: A cluster model</title>
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<title xml:lang="en" level="a">CaF
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<term>Calcium fluoride</term>
<term>Cluster model</term>
<term>Doping</term>
<term>Energy transfer</term>
<term>Fluorescence</term>
<term>Ionic cluster</term>
<term>Luminescence quenching</term>
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<term>Dopage</term>
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<term>Extinction luminescence</term>
<term>Fluorescence</term>
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<term>Transfert énergie</term>
<term>Addition thulium</term>
<term>Fluorure de calcium</term>
<term>Agrégat ionique</term>
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<div type="abstract" xml:lang="en">Experimental evidence of ion clustering is studied in Tm
<sup>3+</sup>
:CaF
<sub>2</sub>
using the spectroscopic signature given by the quenching of the 1.45 μm fluorescence. A model, based on rate equations, and taking into account the probabilities of the different states for clusters, is proposed. The agreement with experimental data appears better with a pair model than with a conventional rate equation model analysis.</div>
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