ThuliumV1, Main, Exploration, bibRecord, 002971

Fluorescence dynamics in an optically-excited Tm,Ho:YAG crystal

Identifieur interne : 002971 ( Main/Exploration ); précédent : 002970; suivant : 002972

Fluorescence dynamics in an optically-excited Tm,Ho:YAG crystal

Auteurs : M. Falconieri [Italie] ; A. Lanzi [Italie] ; G. Salvetti [Italie] ; A. Toncelli [Italie]

Source :

Optical Materials [ 0925-3467 ] ; 1997.

RBID : ISTEX:F1F2295E9472EFD9E6E3CB0E02DE8661E553B710

Descripteurs français

Pascal (Inist)
- 4270H, 7855H, Addition holmium, Addition thulium, Al O Y, Codopage, Composé ternaire, Etude expérimentale, Evolution temporelle, Fluorescence, Grenat aluminium yttrium, Matériau dopé, Matériau laser, Matériau optique, Niveau énergie, Pompage optique, Rayonnement IR, Rayonnement visible, Simulation ordinateur, YAG:Ho,Tm.

English descriptors

Abstract

Abstract: We present the results of measurements of the time evolution of the fluorescences at wavelengths between 400 and 2500 nm, emitted from an optically pumped Tm,Ho:YAG crystal in response to pulsed excitation at 785 nm. The measurements have been performed as a function of the pumping laser fluence. Comparison of the experimental results with the predictions of a rate equation model of this system has permitted to establish precise values for the rate parameters governing the relevant ion-ion interaction processes inside the crystal.

Url:

https://api.istex.fr/document/F1F2295E9472EFD9E6E3CB0E02DE8661E553B710/fulltext/pdf

DOI: 10.1016/S0925-3467(97)00004-9

Affiliations:

Italie

Le document en format XML

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<term>Excitation wavelength</term>
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<term>Loss processes</term>
<term>Maximum amplitude</term>
<term>Metastable</term>
<term>Metastable states</term>
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<term>Multiplet peak population</term>
<term>Numerical predictions</term>
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<term>Precise values</term>
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<term>Rise times</term>
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<term>Room temperature emission</term>
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<term>Spectral region</term>
<term>Strong superlinear increase</term>
<term>Temporal evolution</term>
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<term>Thulium additions</term>
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<term>Upconversion processes</term>
<term>Visible radiation</term>
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<term>Composé ternaire</term>
<term>Etude expérimentale</term>
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<term>Detection system</term>
<term>Dopant concentrations</term>
<term>Effective lifetime</term>
<term>Emission band</term>
<term>Emission bands</term>
<term>Emission peak intensity</term>
<term>Emission risetime</term>
<term>Energy levels</term>
<term>Energy transfer</term>
<term>Equivalent decay time</term>
<term>Equivalent decay times</term>
<term>Excitation</term>
<term>Excitation fluence</term>
<term>Excitation wavelength</term>
<term>Experimental data</term>
<term>Experimental results</term>
<term>Falconieri</term>
<term>Fluence</term>
<term>Fluence dependence</term>
<term>Fluences</term>
<term>Fluorescence curves</term>
<term>Fluorescence emission</term>
<term>Fluorescence profiles</term>
<term>Ground state depletion</term>
<term>High fluences</term>
<term>Infrared emissions</term>
<term>Insb photodiode</term>
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<term>Interaction processes</term>
<term>Laser</term>
<term>Laser fluence</term>
<term>Laser operation</term>
<term>Loss processes</term>
<term>Maximum amplitude</term>
<term>Metastable</term>
<term>Metastable states</term>
<term>Model predictions</term>
<term>Multiplet</term>
<term>Multiplet peak population</term>
<term>Numerical predictions</term>
<term>Optical excitation</term>
<term>Optical materials</term>
<term>Parameter</term>
<term>Peak emission intensity</term>
<term>Peak intensity</term>
<term>Photocatode photomultiplier</term>
<term>Precise values</term>
<term>Profile integral</term>
<term>Profile integrals</term>
<term>Quantum electron</term>
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<term>Rate equation model</term>
<term>Rate parameter</term>
<term>Rate parameters</term>
<term>Response time</term>
<term>Rise times</term>
<term>Room temperature</term>
<term>Room temperature emission</term>
<term>Sample surface</term>
<term>Saturating behavior</term>
<term>Solid state laser</term>
<term>Spectral region</term>
<term>Strong superlinear increase</term>
<term>Temporal evolution</term>
<term>Time constants</term>
<term>Time evolution</term>
<term>Time response</term>
<term>Transfer rate</term>
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<term>Upconversion processes</term>
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<front><div type="abstract" xml:lang="en">Abstract: We present the results of measurements of the time evolution of the fluorescences at wavelengths between 400 and 2500 nm, emitted from an optically pumped Tm,Ho:YAG crystal in response to pulsed excitation at 785 nm. The measurements have been performed as a function of the pumping laser fluence. Comparison of the experimental results with the predictions of a rate equation model of this system has permitted to establish precise values for the rate parameters governing the relevant ion-ion interaction processes inside the crystal.</div>
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Fluorescence dynamics in an optically-excited Tm,Ho:YAG crystal

Fluorescence dynamics in an optically-excited Tm,Ho:YAG crystal

Source :

Descripteurs français

English descriptors

Abstract

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