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Enhancement of ultraviolet upconversion in Yb3+ and Tm3+ codoped amorphous fluoride film prepared by pulsed laser deposition

Identifieur interne : 001B92 ( Main/Curation ); précédent : 001B91; suivant : 001B93

Enhancement of ultraviolet upconversion in Yb3+ and Tm3+ codoped amorphous fluoride film prepared by pulsed laser deposition

Auteurs : Guanshi Qin [République populaire de Chine] ; Weiping Qin ; Changfeng Wu ; Shihua Huang ; Jisen Zhang ; Shaozhe Lu ; Dan Zhao ; Huangqing Liu

Source :

Journal of applied physics [ 0021-8979 ] ; 2003-04-01.

RBID : Pascal:03-0162931

Descripteurs français

Pascal (Inist)
- 7855H, 7866N, 7155H, 7860, 4265K, 6143E, 6855, 4279W, Etude expérimentale, Zinc composé, Aluminium composé, Plomb composé, Lithium composé, Ytterbium, Thulium, Fluorescence, Photoluminescence, Etat impureté, Conversion longueur onde optique, Etat amorphe, Couche mince, Film optique.

English descriptors

KwdEn :
- Aluminium compounds, Amorphous state, Experimental study, Fluorescence, Impurity states, Judd-Ofelt theory, Lead compounds, Lithium compounds, Optical films, Optical wavelength conversion, Photoluminescence, Thin films, Thulium, Ytterbium, Zinc compounds.

Abstract

Zn_0.3Al_0.25Pb_0.3Li_0.098Yb_0.1Tm_0.002F_2.354 amorphous fluoride film was prepared by pulsed laser deposition. Ultraviolet and blue up-conversion emissions were observed under infrared excitation at 978 nm. In comparison with the upconversion of the target, the ultraviolet emissions are enhanced greatly. The enhancement is attributed to a decrease of the Judd-Ofelt parameter Ω₂ induced by pulsed laser deposition, which precludes the transition rate from ³F₂ to ³F₄ and enhances the energy transfer process and populates the ¹D₂ level: ³F₂→³H₆(Tm³⁺):³H₄→¹D₂(Tm³⁺). © 2003 American Institute of Physics.

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Pascal:03-0162931

Le document en format XML

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 codoped amorphous fluoride film prepared by pulsed laser deposition</title>
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 codoped amorphous fluoride film prepared by pulsed laser deposition</title>
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<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea>Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130021</wicri:regionArea>
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<author><name sortKey="Qin, Weiping" sort="Qin, Weiping" uniqKey="Qin W" first="Weiping" last="Qin">Weiping Qin</name>
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<author><name sortKey="Zhang, Jisen" sort="Zhang, Jisen" uniqKey="Zhang J" first="Jisen" last="Zhang">Jisen Zhang</name>
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<author><name sortKey="Lu, Shaozhe" sort="Lu, Shaozhe" uniqKey="Lu S" first="Shaozhe" last="Lu">Shaozhe Lu</name>
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<author><name sortKey="Liu, Huangqing" sort="Liu, Huangqing" uniqKey="Liu H" first="Huangqing" last="Liu">Huangqing Liu</name>
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<term>Judd-Ofelt theory</term>
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<term>Lithium compounds</term>
<term>Optical films</term>
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<term>7866N</term>
<term>7155H</term>
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<term>6143E</term>
<term>6855</term>
<term>4279W</term>
<term>Etude expérimentale</term>
<term>Zinc composé</term>
<term>Aluminium composé</term>
<term>Plomb composé</term>
<term>Lithium composé</term>
<term>Ytterbium</term>
<term>Thulium</term>
<term>Fluorescence</term>
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<front><div type="abstract" xml:lang="en">Zn<sub>0.3</sub>
Al<sub>0.25</sub>
Pb<sub>0.3</sub>
Li<sub>0.098</sub>
Yb<sub>0.1</sub>
Tm<sub>0.002</sub>
F<sub>2.354</sub>
 amorphous fluoride film was prepared by pulsed laser deposition. Ultraviolet and blue up-conversion emissions were observed under infrared excitation at 978 nm. In comparison with the upconversion of the target, the ultraviolet emissions are enhanced greatly. The enhancement is attributed to a decrease of the Judd-Ofelt parameter Ω<sub>2</sub>
 induced by pulsed laser deposition, which precludes the transition rate from <sup>3</sup>
F<sub>2</sub>
 to <sup>3</sup>
F<sub>4</sub>
 and enhances the energy transfer process and populates the <sup>1</sup>
D<sub>2</sub>
 level: <sup>3</sup>
F<sub>2</sub>
→<sup>3</sup>
H<sub>6</sub>
(Tm<sup>3+</sup>
):<sup>3</sup>
H<sub>4</sub>
→<sup>1</sup>
D<sub>2</sub>
(Tm<sup>3+</sup>
). © 2003 American Institute of Physics.</div>
</front>
</TEI>
</record>

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Enhancement of ultraviolet upconversion in Yb3+ and Tm3+ codoped amorphous fluoride film prepared by pulsed laser deposition

Enhancement of ultraviolet upconversion in Yb3+ and Tm3+ codoped amorphous fluoride film prepared by pulsed laser deposition

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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