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Visible red random lasing in polycrystalline thin films by energy transfer from ZnO films to
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10.1063/1.2993340
/content/aip/journal/apl/93/15/10.1063/1.2993340
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/15/10.1063/1.2993340
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The light-light characteristics of film structure in the UV wavelength range. The inset shows the UV lasing spectra of the film structure at different pump powers.

Image of FIG. 2.
FIG. 2.

(a) The close relation between the spectral overlap and the red peak intensity at of the film structure as a function of the pump power. (b)The overlapping spectra at three different pump powers at 0.4, 5.5, and . Dash dot line represents the absorption spectrum of ions. Solid lines represent the emission spectrum of ZnO films. The magnification of the ZnO emission spectrum is indicated in the bracket. (c). The spectra of the red emission at three different pump powers at 0.4, 5.5, and .

Image of FIG. 3.
FIG. 3.

The schematic of energy transfer process leads to the red random lasing emission. The ZnO emission due to electron hole plasma recombination at high pump power is absorbed by ions.

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/content/aip/journal/apl/93/15/10.1063/1.2993340
2008-10-14
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Visible red random lasing in Y2O3:Eu3+/ZnO polycrystalline thin films by energy transfer from ZnO films to Eu3+
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/15/10.1063/1.2993340
10.1063/1.2993340
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