ThuliumV1, Main, Exploration, bibRecord, 001110

Multiphonon transitions in LaAlO3 doped with rare earth ions

Identifieur interne : 001110 ( Main/Exploration ); précédent : 001109; suivant : 001111

Multiphonon transitions in LaAlO3 doped with rare earth ions

Auteurs : Przemysław J. Deren [Pologne] ; Rachid Mahiou [France] ; Philippe Goldner [France]

Source :

Optical materials : (Amsterdam) [ 0925-3467 ] ; 2009.

RBID : Pascal:09-0199019

Descripteurs français

Pascal (Inist)
- Transition radiative, Transition non radiative, Spectre émission, Matériau dopé, Matériau optique, Addition lanthanide, Matériau laser, Processus n phonons, Lanthane Oxyde, Aluminium Oxyde, Al O Y, 4270H, 0130C.

English descriptors

KwdEn :
- Aluminium Oxides, Doped materials, Emission spectra, Lanthanum Oxides, Laser materials, Multi-phonon processes, Nonradiative transitions, Optical materials, Radiative transition, Rare earth additions.

Abstract

From radiative transitions rates in praseodymium, neodymium, erbium, holmium and thulium ions doped LaAlO₃ and measured emission decay times multiphonon nonradiative transitions rates W_MNR have been calculated. Radiative transition rates were determined in the frame of Judd-Ofelt theory. The data obtained were plotted in the function of energy gap ΔE and fitted by exponential function W_MNR = B . exp(-α . ΔE), where B = 1.02 x 10⁹ and α = 3.61 x 10^-3. Fitting results show that multiphonon nonradiative transition rates are low comparing to other oxide crystals being similar to those of YAG.

Affiliations:

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

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Le document en format XML

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<term>Laser materials</term>
<term>Multi-phonon processes</term>
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<front><div type="abstract" xml:lang="en">From radiative transitions rates in praseodymium, neodymium, erbium, holmium and thulium ions doped LaAlO<sub>3</sub>
 and measured emission decay times multiphonon nonradiative transitions rates W<sub>MNR</sub>
 have been calculated. Radiative transition rates were determined in the frame of Judd-Ofelt theory. The data obtained were plotted in the function of energy gap ΔE and fitted by exponential function W<sub>MNR</sub>
 = B . exp(-α . ΔE), where B = 1.02 x 10<sup>9</sup>
 and α = 3.61 x 10<sup>-3</sup>
. Fitting results show that multiphonon nonradiative transition rates are low comparing to other oxide crystals being similar to those of YAG.</div>
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Multiphonon transitions in LaAlO3 doped with rare earth ions

Multiphonon transitions in LaAlO3 doped with rare earth ions

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