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Stimulated emission in the red, green, and blue in a nanostructured glass ceramics
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10.1063/1.3549157
/content/aip/journal/jap/109/4/10.1063/1.3549157
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/4/10.1063/1.3549157

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Setup used in the pump and probe experiments.

Image of FIG. 2.
FIG. 2.

(Color online) Room temperature absorption coefficient of the 2.5 mol % Ho3+ doped glass ceramic sample (black solid line) and excitation spectrum of the upconversion emission band under detection at 545 nm (red dashed line).

Image of FIG. 3.
FIG. 3.

Stimulated cross sections of the transitions from the 5 F 3, 5 S 2: 5 F 4, and 5 F 5 levels to the ground state.

Image of FIG. 4.
FIG. 4.

(Color online) Comparison of the UC emission spectra of Ho3+ ions under pump at 750 nm (black solid lines) and pump and probe (color solid lines) excitation conditions when the probe wavelength is tuned at (a) 488 nm, (b) 545 nm, and (c) 650 nm. The spectra have been shifted for clarity. The probe profile is given at the bottom of each spectrum.

Image of FIG. 5.
FIG. 5.

(Color online) Scheme of the photon avalanche UC mechanism.

Image of FIG. 6.
FIG. 6.

(Color online) Net gain coefficient as a function of the pump power density measured at (a) 488 nm; (b) 545 nm; and (c) 650 nm.

Tables

Generic image for table
Table I.

Experimental (f expt) and calculated (f calc) oscillator strengths obtained in an oxyfluoride GC samples doped with 2.5 mol % of Ho3+. All transitions are from the 5 I 8 state to the indicated levels.

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/content/aip/journal/jap/109/4/10.1063/1.3549157
2011-02-16
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Stimulated emission in the red, green, and blue in a nanostructured glass ceramics
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/4/10.1063/1.3549157
10.1063/1.3549157
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