Enhancement of ultraviolet upconversion in Yb3+ and Tm3+ codoped amorphous fluoride film prepared by pulsed laser deposition
Identifieur interne : 000B84 ( Pascal/Curation ); précédent : 000B83; suivant : 000B85Enhancement 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 LiuSource :
- Journal of applied physics [ 0021-8979 ] ; 2003-04-01.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Zn0.3Al0.25Pb0.3Li0.098Yb0.1Tm0.002F2.354 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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and Tm<sup>3+</sup>
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>Key Laboratory of Excited State Processes, Chinese Academy of Sciences, Changchun 130021</wicri:regionArea>
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<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130021, China</s1>
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<author><name sortKey="Wu, Changfeng" sort="Wu, Changfeng" uniqKey="Wu C" first="Changfeng" last="Wu">Changfeng Wu</name>
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<author><name sortKey="Huang, Shihua" sort="Huang, Shihua" uniqKey="Huang S" first="Shihua" last="Huang">Shihua Huang</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="Zhao, Dan" sort="Zhao, Dan" uniqKey="Zhao D" first="Dan" last="Zhao">Dan Zhao</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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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Enhancement of ultraviolet upconversion in Yb<sup>3+</sup>
and Tm<sup>3+</sup>
codoped amorphous fluoride film prepared by pulsed laser deposition</title>
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<country xml:lang="fr">République populaire de Chine</country>
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<author><name sortKey="Huang, Shihua" sort="Huang, Shihua" uniqKey="Huang S" first="Shihua" last="Huang">Shihua Huang</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="Zhao, Dan" sort="Zhao, Dan" uniqKey="Zhao D" first="Dan" last="Zhao">Dan Zhao</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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<series><title level="j" type="main">Journal of applied physics</title>
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<term>Judd-Ofelt theory</term>
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<term>Lithium compounds</term>
<term>Optical films</term>
<term>Optical wavelength conversion</term>
<term>Photoluminescence</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>
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<fA08 i1="01" i2="1" l="ENG"><s1>Enhancement of ultraviolet upconversion in Yb<sup>3+</sup>
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codoped amorphous fluoride film prepared by pulsed laser deposition</s1>
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<fA11 i1="01" i2="1"><s1>QIN (Guanshi)</s1>
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<fA14 i1="01"><s1>Key Laboratory of Excited State Processes, Chinese Academy of Sciences, Changchun 130021, China</s1>
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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.</s0>
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