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Control of the local devitrification on oxyfluoride glass doped with ions under diode laser irradiation
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10.1063/1.3504857
/content/aip/journal/jap/108/10/10.1063/1.3504857
http://aip.metastore.ingenta.com/content/aip/journal/jap/108/10/10.1063/1.3504857
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Energy level diagram of ions and ESA upconversion mechanism under excitation at 806 nm.

Image of FIG. 2.
FIG. 2.

Temporal evolution of the green upconversion emission at 545 nm under pulsed excitation at 806 nm in a 2.5 mol % of oxyfluoride glass sample.

Image of FIG. 3.
FIG. 3.

(a) Upconversion fluorescence spectra obtained at different laser power intensities under excitation at 806 nm in a 2.5 mol % of oxyfluoride glass sample. (b) Upconversion emission spectra at 724 mW of power, before (dashed line) and after irradiation (dotted line) with 2600 mW with the sample at room temperature. Spectrum of a glass ceramic obtained by furnace method under 806 nm excitation is also included for comparison (straight line).

Image of FIG. 4.
FIG. 4.

Integrated intensity of the green upconversion emission band. Irradiation power has a threshold value about 2300 mW to create a glass ceramic structure on the irradiated spot.

Image of FIG. 5.
FIG. 5.

Emission spectra obtained with different delays after turned on a laser power with 2600 mW at 806 nm.

Image of FIG. 6.
FIG. 6.

Dependence of the intensity ratio from the (525 nm) and (545 nm) emission levels to the level vs temperature. The solid line is the fit to Eq. (1).

Image of FIG. 7.
FIG. 7.

Sensor sensitivity as function of the temperature in the temperature range of 300–650 K.

Image of FIG. 8.
FIG. 8.

(a) SEM image and (b) x-ray microanalyzer mapping of the and ions distribution on the irradiated line.

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/content/aip/journal/jap/108/10/10.1063/1.3504857
2010-11-17
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Control of the local devitrification on oxyfluoride glass doped with Er3+ ions under diode laser irradiation
http://aip.metastore.ingenta.com/content/aip/journal/jap/108/10/10.1063/1.3504857
10.1063/1.3504857
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