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Resonance between electronic and vibronic levels of Tm3+ in yttrium aluminium garnet

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Resonance between electronic and vibronic levels of Tm3+ in yttrium aluminium garnet

Auteurs : A. Lupei [Roumanie] ; V. Lupei [Roumanie]

Source :

Journal of physics. Condensed matter [ 0953-8984 ] ; 1997.

RBID : Pascal:97-0251917

Descripteurs français

Pascal (Inist)
- Etude théorique, Etat impureté, Résonance, Grenat aluminium yttrium, Spectre absorption, Spectre émission, Transition électronique, Niveau énergie vibronique, Addition thulium, Processus zéro phonon, Yttrium oxyde, Aluminium oxyde, 7155H, 7170, Y3Al5O12:Tm, Al O Y.

English descriptors

KwdEn :
- Absorption spectra, Aluminium oxides, Electronic transition, Emission spectra, Impurity states, Resonance, Theoretical study, Thulium additions, Vibronic energy level, YAG, Yttrium oxides, Zero phonon process.

Abstract

An attempt to explain some of the Tm³⁺ spectra features in YAG in terms of the splitting of the zero-photon lines due to the even part of the linear vibronic interaction Hamiltonian with a single active phonon mode in the cases of resonance or quasi-resonance between a pure electronic and vibronic level is presented. The observed features in absorption and emission spectra are discussed and the active mode is identified. The experimental splittings and intensities allow estimation of the vibronic coupling matrix elements of about 4-5 cm^-1.

Affiliations:

Roumanie

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to stream Main, to step Curation: 002A81

Le document en format XML

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<term>Resonance</term>
<term>Theoretical study</term>
<term>Thulium additions</term>
<term>Vibronic energy level</term>
<term>YAG</term>
<term>Yttrium oxides</term>
<term>Zero phonon process</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Etude théorique</term>
<term>Etat impureté</term>
<term>Résonance</term>
<term>Grenat aluminium yttrium</term>
<term>Spectre absorption</term>
<term>Spectre émission</term>
<term>Transition électronique</term>
<term>Niveau énergie vibronique</term>
<term>Addition thulium</term>
<term>Processus zéro phonon</term>
<term>Yttrium oxyde</term>
<term>Aluminium oxyde</term>
<term>7155H</term>
<term>7170</term>
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<front><div type="abstract" xml:lang="en">An attempt to explain some of the Tm<sup>3+</sup>
 spectra features in YAG in terms of the splitting of the zero-photon lines due to the even part of the linear vibronic interaction Hamiltonian with a single active phonon mode in the cases of resonance or quasi-resonance between a pure electronic and vibronic level is presented. The observed features in absorption and emission spectra are discussed and the active mode is identified. The experimental splittings and intensities allow estimation of the vibronic coupling matrix elements of about 4-5 cm<sup>-1</sup>
.</div>
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<name sortKey="Lupei, V" sort="Lupei, V" uniqKey="Lupei V" first="V." last="Lupei">V. Lupei</name>
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Resonance between electronic and vibronic levels of Tm3+ in yttrium aluminium garnet

Resonance between electronic and vibronic levels of Tm3+ in yttrium aluminium garnet

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