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Intense upconversion and infrared emissions in codoped and crystals
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10.1063/1.2954010
/content/aip/journal/apl/93/1/10.1063/1.2954010
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/1/10.1063/1.2954010

Figures

Image of FIG. 1.
FIG. 1.

UC spectra of and at under LD excitation. Inset is log-log plots of the integrated emission intensities vs the excitation power.

Image of FIG. 2.
FIG. 2.

Energy levels and ET processes of and . [(a)–(c)] ET, : MPR, (d) cooperative UC, and [(e) and (f)] cross relaxation.

Image of FIG. 3.
FIG. 3.

NIR emission spectra of and at under LD excitation. The inset is the emission cross section calculated by the FL formula.

Image of FIG. 4.
FIG. 4.

Temperature evolution of the experimental intensities and theoretical fitting results. The pump power of LD is fixed at . [(a)–(d)] , and [(e)–(h)] .

Tables

Generic image for table
Table I.

Physical parameters of and .

Generic image for table
Table II.

Standardized UC efficiency in different codoped materials.

Generic image for table
Table III.

Emission cross sections of in different host materials.

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/content/aip/journal/apl/93/1/10.1063/1.2954010
2008-07-10
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Intense upconversion and infrared emissions in Er3+–Yb3+ codoped Lu2SiO5 and (Lu0.5Gd0.5)2SiO5 crystals
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/1/10.1063/1.2954010
10.1063/1.2954010
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