ThuliumV1, Pascal, Checkpoint, bibRecord, 001142

Growth, characterization, and laser potential of Tm:La2Be2O5

Identifieur interne : 001142 ( Pascal/Checkpoint ); précédent : 001141; suivant : 001143

Growth, characterization, and laser potential of Tm:La2Be2O5

Auteurs : Vikas Sudesh [Australie] ; J. A. Piper ; E. M. Goldys [Australie] ; R. S. Seymour [Australie]

Source :

Journal of the Optical Society of America. B, Optical physics [ 0740-3224 ] ; 1998-01.

RBID : Pascal:98-0180601

Descripteurs français

Pascal (Inist)
- 4270H, 7830H, 7855H, 8110F, 7845, 4255R, 4260D, Etude expérimentale, Lanthane composé, Matériau optique, Spectre absorption impureté, Spectre IR, Durée vie radiative, Croissance cristalline en phase fondue, Thulium, Emission stimulée, Laser solide, Pompage optique, Résonateur cavité laser.

English descriptors

KwdEn :
- Crystal growth from melts, Experimental study, Impurity absorption spectra, Infrared spectra, Lanthanum compounds, Laser cavity resonators, Optical materials, Optical pumping, Radiative lifetimes, Solid state lasers, Stimulated emission, Thulium.

Abstract

We grew several thulium- (Tm-) doped La₂Be₂O₅ crystals and determined the concentration of the incorporated Tm using proton-induced x-ray emission. Polarized absorption and emission spectra of Tm:La₂Be₂O₅ were investigated, allowing the stimulated-emission cross section to be estimated with the reciprocity method and the Fuchtbauer-Ladenburg equation. We report lifetime measurements of each of the transitions from the ³F₄ to ³H₆ multiplet and relate them to the radiative lifetime. In view of these results we revisit the question of Tm:La₂Be₂O₅ as a prospective laser material for laser emission at 1.8 μm in the presence of losses and determine the pumping threshold and slope efficiency for a typical resonator geometry. © 1998 Optical Society of America

Affiliations:

Australie

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Pascal:98-0180601

Le document en format XML

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Be<sub>2</sub>
O<sub>5</sub>
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<front><div type="abstract" xml:lang="en">We grew several thulium- (Tm-) doped La<sub>2</sub>
Be<sub>2</sub>
O<sub>5</sub>
 crystals and determined the concentration of the incorporated Tm using proton-induced x-ray emission. Polarized absorption and emission spectra of Tm:La<sub>2</sub>
Be<sub>2</sub>
O<sub>5</sub>
 were investigated, allowing the stimulated-emission cross section to be estimated with the reciprocity method and the Fuchtbauer-Ladenburg equation. We report lifetime measurements of each of the transitions from the <sup>3</sup>
F<sub>4</sub>
 to <sup>3</sup>
H<sub>6</sub>
 multiplet and relate them to the radiative lifetime. In view of these results we revisit the question of Tm:La<sub>2</sub>
Be<sub>2</sub>
O<sub>5</sub>
 as a prospective laser material for laser emission at 1.8 μm in the presence of losses and determine the pumping threshold and slope efficiency for a typical resonator geometry. © 1998 Optical Society of America</div>
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 were investigated, allowing the stimulated-emission cross section to be estimated with the reciprocity method and the Fuchtbauer-Ladenburg equation. We report lifetime measurements of each of the transitions from the <sup>3</sup>
F<sub>4</sub>
 to <sup>3</sup>
H<sub>6</sub>
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O<sub>5</sub>
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Growth, characterization, and laser potential of Tm:La2Be2O5

Growth, characterization, and laser potential of Tm:La2Be2O5

Source :

Descripteurs français

English descriptors

Abstract

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

Links to Exploration step

Le document en format XML

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