ThuliumV1, Main, Merge, bibRecord, 000470

Multiphoton near-infrared quantum cutting luminescence phenomena of Tm3+ ion in (Y1-xTm(x))3Al5O12 powder phosphor.

Identifieur interne : 000470 ( Main/Merge ); précédent : 000469; suivant : 000471

Multiphoton near-infrared quantum cutting luminescence phenomena of Tm3+ ion in (Y1-xTm(x))3Al5O12 powder phosphor.

Auteurs : Xiaobo Chen ; Gregory J. Salamo ; Guojian Yang ; Yongliang Li ; Xianlin Ding ; Yan Gao ; Quanlin Liu ; Jinghua Guo

Source :

Optics express [ 1094-4087 ] ; 2013.

RBID : pubmed:24104578

Descripteurs français

English descriptors

KwdEn :
- Luminescent Measurements (methods), Materials Testing, Microscopy, Fluorescence, Multiphoton (methods), Powders, Quantum Theory, Spectroscopy, Near-Infrared (methods), Thulium (chemistry).
MESH :
- chemical , chemistry : Thulium.
- chemical : Powders.
- methods : Luminescent Measurements, Microscopy, Fluorescence, Multiphoton, Spectroscopy, Near-Infrared.
- Materials Testing, Quantum Theory.

Abstract

In the present study, the multiphoton near-infrared downconversion quantum cutting luminescence phenomena of Tm3+ ion in (Y(1-x)Tm(x))(3)Al(5)O(12) powder phosphor, which is currently a hot research topic throughout the world, is reported. The x-ray diffraction spectra, the visible to near-infrared excitation and emission spectra, and fluorescence lifetimes are measured. It is found that Tm:YAG powder phosphor has intense two-photon quantum cutting luminescence, and, for the first time, it is found that Tm:YAG powder phosphor has strong four-photon near-infrared quantum cutting luminescence of 1788 nm (3)F4 → (3)H6 fluorescence of Tm(3+) ion. It is also found that the theoretical up-limit of four-photon near-infrared quantum cutting efficiency is about 282.12%, which results from both the {(1)D2 → (3)F2, (3)H6 → (3)H4} and {(3)H4 → (3)F4, (3)H6 → (3)F4} cross-energy transfers.

PubMed: 24104578

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Le document en format XML

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<front><div type="abstract" xml:lang="en">In the present study, the multiphoton near-infrared downconversion quantum cutting luminescence phenomena of Tm3+ ion in (Y(1-x)Tm(x))(3)Al(5)O(12) powder phosphor, which is currently a hot research topic throughout the world, is reported. The x-ray diffraction spectra, the visible to near-infrared excitation and emission spectra, and fluorescence lifetimes are measured. It is found that Tm:YAG powder phosphor has intense two-photon quantum cutting luminescence, and, for the first time, it is found that Tm:YAG powder phosphor has strong four-photon near-infrared quantum cutting luminescence of 1788 nm (3)F4 → (3)H6 fluorescence of Tm(3+) ion. It is also found that the theoretical up-limit of four-photon near-infrared quantum cutting efficiency is about 282.12%, which results from both the {(1)D2 → (3)F2, (3)H6 → (3)H4} and {(3)H4 → (3)F4, (3)H6 → (3)F4} cross-energy transfers.</div>
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Multiphoton near-infrared quantum cutting luminescence phenomena of Tm3+ ion in (Y1-xTm(x))3Al5O12 powder phosphor.

Multiphoton near-infrared quantum cutting luminescence phenomena of Tm3+ ion in (Y1-xTm(x))3Al5O12 powder phosphor.

Source :

Descripteurs français

English descriptors

Abstract

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Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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Pour générer des pages wiki