Serveur d'exploration sur le thulium

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Infrared energy transfer in Tm3+:LiNbO3

Identifieur interne : 001435 ( Main/Merge ); précédent : 001434; suivant : 001436

Infrared energy transfer in Tm3+:LiNbO3

Auteurs : M. Quintanilla [Espagne] ; E. Cantelar [Espagne] ; J. A. Sanz-Garcia [Espagne] ; G. Lifante [Espagne] ; G. A. Torchia [Argentine] ; F. Cusso [Espagne]

Source :

RBID : Pascal:08-0285303

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English descriptors

Abstract

The infrared optical properties of LiNbO3 crystals doped with variable thulium concentrations have been studied. In particular, the infrared emissions that appear after direct pumping to the 3H4 multiplet (795 nm) have been analyzed. The emission spectra, as well as the lifetimes, show that an efficient energy transfer between 3F4 and 3H4 levels takes place. The concentration dependence of the lifetimes has been studied and the transfer probability has been characterized.

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Pascal:08-0285303

Le document en format XML

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<title xml:lang="en" level="a">Infrared energy transfer in Tm
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<sub>3</sub>
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<keywords scheme="KwdEn" xml:lang="en">
<term>Doping</term>
<term>Energy transfer</term>
<term>Frequency conversion</term>
<term>Impurity density</term>
<term>Impurity states</term>
<term>Lithium niobates</term>
<term>Luminescence decay</term>
<term>Optical properties</term>
<term>Photoluminescence</term>
<term>Thulium additions</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr">
<term>Transfert énergie</term>
<term>Propriété optique</term>
<term>Dopage</term>
<term>Photoluminescence</term>
<term>Déclin luminescence</term>
<term>Concentration impureté</term>
<term>Addition thulium</term>
<term>Conversion fréquence</term>
<term>Etat impureté</term>
<term>Niobate de lithium</term>
<term>LiNbO3</term>
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<front>
<div type="abstract" xml:lang="en">The infrared optical properties of LiNbO
<sub>3</sub>
crystals doped with variable thulium concentrations have been studied. In particular, the infrared emissions that appear after direct pumping to the
<sup>3</sup>
H
<sub>4</sub>
multiplet (795 nm) have been analyzed. The emission spectra, as well as the lifetimes, show that an efficient energy transfer between
<sup>3</sup>
F
<sub>4</sub>
and
<sup>3</sup>
H
<sub>4</sub>
levels takes place. The concentration dependence of the lifetimes has been studied and the transfer probability has been characterized.</div>
</front>
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