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Fluorescence properties and energy transfer study of Er3+/Nd3+ doped fluorophosphate glass pumped at 800 and 980 nm for mid-infrared laser applications
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10.1063/1.3699059
/content/aip/journal/jap/111/7/10.1063/1.3699059
http://aip.metastore.ingenta.com/content/aip/journal/jap/111/7/10.1063/1.3699059

Figures

Image of FIG. 1.
FIG. 1.

Absorption spectra of prepared samples. The numbers symbolize theabsorption transition from the Nd3+:4I9/2 level to the ①Nd3+:(2K13/2,4G7/2, 4G9/2), ②Nd3+:(4G5/2, 2G7/2), ③Nd3+:4F9/2, ④Nd3+:(4F7/2, 4S3/2), ⑤Nd3+:(4F5/2, 2H9/2), ⑥Nd3+:4F3/2 level.

Image of FIG. 2.
FIG. 2.

(a) Photoluminescence spectrum of the Er3+/Nd3+ doped FP sample pumped by 800 nm LD in the wavelength range of 2400–2850 nm. (b) Photoluminescence spectrum in the wavelength range of 850–1400 nm. The inset is the energy level diagram and energy transfer sketch map when pumped at 800 nm.

Image of FIG. 3.
FIG. 3.

(a) Photoluminescence spectrum of the Er3+/Nd3+ doped FP sample pumped by 980 nm LD in the wavelength range of 2650–2800 nm. (b) Energy level diagram and energy transfer sketch map when pumped at 980 nm.

Image of FIG. 4.
FIG. 4.

Absorption cross section of the Er3+:4I15/2 → Er3+:4I11/2 transition and emission cross section of the Nd3+:4I9/2 → Nd3+:4F3/2 transition in FP glass.

Image of FIG. 5.
FIG. 5.

Fluorescence decay curves of the Er3+:4I13/2 level in FP glasses doped with and without Nd3+ pumped by 980 nm LD.

Tables

Generic image for table
Table I.

Measured and calculated oscillator strength of Nd3+ ions in FP glass.

Generic image for table
Table II.

J-O parameters Ωt (10−20 cm2) of Er3+ and Nd3+ in various glasses.

Generic image for table
Table III.

The radiative properties of the Er3+:4I11/2 and Nd3+:4F3/2 levels in FP glass.

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/content/aip/journal/jap/111/7/10.1063/1.3699059
2012-04-02
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Fluorescence properties and energy transfer study of Er3+/Nd3+ doped fluorophosphate glass pumped at 800 and 980 nm for mid-infrared laser applications
http://aip.metastore.ingenta.com/content/aip/journal/jap/111/7/10.1063/1.3699059
10.1063/1.3699059
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