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Frequency upconversion in doped glasses containing metallic nanoparticles
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10.1063/1.2679798
/content/aip/journal/apl/90/8/10.1063/1.2679798
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/8/10.1063/1.2679798
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

TEM micrographs of the samples annealed for (a) and (b) . The corresponding NP size distributions are shown in (c) and (d).

Image of FIG. 2.
FIG. 2.

Absorption spectra of doped samples without NPs and containing NPs for different annealing times, as indicated in the legend.

Image of FIG. 3.
FIG. 3.

(a) Simplified energy level scheme of and the transitions studied. (b) UPC emission spectra (sample annealed for ). The features correspond to the transitions: (band I), (band II), and (band III). The inset shows the intensity at as a function of the laser power. The slopes of the straight lines are 2.0 for the sample without silver NP and 2.3 for the sample with NPs.

Image of FIG. 4.
FIG. 4.

Normalized integrated intensity ratios , , and as a function of annealing time. The curves are guides to the eyes.

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/content/aip/journal/apl/90/8/10.1063/1.2679798
2007-02-22
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Frequency upconversion in Er3+ doped PbO–GeO2 glasses containing metallic nanoparticles
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/8/10.1063/1.2679798
10.1063/1.2679798
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