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Excited state absorption in thulium doped YVO4 crystals

Identifieur interne : 001414 ( Main/Exploration ); précédent : 001413; suivant : 001415

Excited state absorption in thulium doped YVO4 crystals

Auteurs : R. Lisiecki [Pologne] ; W. Ryba-Romanowski [Pologne] ; C. Koepke [Pologne] ; K. Wisniewski [Pologne] ; D. Piatkowski [Pologne]

Source :

RBID : Pascal:08-0198551

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Abstract

Excited state absorption (ESA) of Tm3+ ions in YVO4 crystal was measured using a pump and probe technique. The measurements have been performed in the wide spectral range in both the near infrared and visible region between 6000 cm-1 (NIR) and 24000 cm-1 (VIS). ESA absorption cross section spectra have been calculated for transitions from the 3F4 and 3H4 states of Tm3+ and compared to those evaluated experimentally. The excited state absorption in YVO4:Tm3+ should not influence the laser operation related to the 3F43 H6 transition around 1900nm, but it will be a significant loss factor for a potential laser action associated with the 3H43 F4 transition around 1.48 μm.


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Le document en format XML

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<title xml:lang="en" level="a">Excited state absorption in thulium doped YVO
<sub>4</sub>
crystals</title>
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<keywords scheme="KwdEn" xml:lang="en">
<term>Doped materials</term>
<term>Excited state absorption</term>
<term>Experimental study</term>
<term>Infrared radiation</term>
<term>Laser materials</term>
<term>Nonlinear absorption</term>
<term>Nonlinear optics</term>
<term>Optical materials</term>
<term>Solid state lasers</term>
<term>Thulium additions</term>
<term>Visible radiation</term>
<term>Yttrium Vanadates</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr">
<term>Absorption état excité</term>
<term>Laser solide</term>
<term>Optique non linéaire</term>
<term>Etude expérimentale</term>
<term>Rayonnement IR</term>
<term>Rayonnement visible</term>
<term>Matériau dopé</term>
<term>Matériau optique</term>
<term>Matériau laser</term>
<term>Addition thulium</term>
<term>Absorption non linéaire</term>
<term>Yttrium Vanadate</term>
<term>Méthode pompe sonde</term>
<term>4265A</term>
<term>Laser Tm:YVO4</term>
<term>Laser Tm</term>
<term>4255R</term>
<term>4270H</term>
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<front>
<div type="abstract" xml:lang="en">Excited state absorption (ESA) of Tm
<sup>3+</sup>
ions in YVO
<sub>4</sub>
crystal was measured using a pump and probe technique. The measurements have been performed in the wide spectral range in both the near infrared and visible region between 6000 cm
<sup>-1</sup>
(NIR) and 24000 cm
<sup>-1</sup>
(VIS). ESA absorption cross section spectra have been calculated for transitions from the
<sup>3</sup>
F
<sub>4</sub>
and
<sup>3</sup>
H
<sub>4</sub>
states of Tm
<sup>3+</sup>
and compared to those evaluated experimentally. The excited state absorption in YVO
<sub>4</sub>
:Tm
<sup>3+</sup>
should not influence the laser operation related to the
<sup>3</sup>
F
<sub>4</sub>
<sup>3</sup>
H
<sub>6</sub>
transition around 1900nm, but it will be a significant loss factor for a potential laser action associated with the
<sup>3</sup>
H
<sub>4</sub>
<sup>3</sup>
F
<sub>4</sub>
transition around 1.48 μm.</div>
</front>
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<tree>
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<name sortKey="Lisiecki, R" sort="Lisiecki, R" uniqKey="Lisiecki R" first="R." last="Lisiecki">R. Lisiecki</name>
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<name sortKey="Koepke, C" sort="Koepke, C" uniqKey="Koepke C" first="C." last="Koepke">C. Koepke</name>
<name sortKey="Piatkowski, D" sort="Piatkowski, D" uniqKey="Piatkowski D" first="D." last="Piatkowski">D. Piatkowski</name>
<name sortKey="Ryba Romanowski, W" sort="Ryba Romanowski, W" uniqKey="Ryba Romanowski W" first="W." last="Ryba-Romanowski">W. Ryba-Romanowski</name>
<name sortKey="Wisniewski, K" sort="Wisniewski, K" uniqKey="Wisniewski K" first="K." last="Wisniewski">K. Wisniewski</name>
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