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Inne
Luminescence properties of Yb3+ - doped bismuthate glass.
Autorzy
Rok wydania
2017
Czasopismo
Numer woluminu
44
Strony
0903001/1-0903001/8
DOI
10.3788/CJL201744.0903001
Kolekcja
Język
Chiński
Typ publikacji
Artykuł
The luminescence property parameters of the Yb3+-doped bismuthate glass are investigated, and the energy transfer from those defect quenching centers such as Yb2+ and Bi3+ to Yb3+ is also discussed. Based on the optimized matrix composition and without the sharp decline of the fluorescence lifetime, the near-infrared emission cross-section of Yb3+ in glass is obviously increased, the absorption cross-section is reduced, and the capability of laser gain and the saturation pump intensity are both enhanced. By the efficient dehydroxyl process, the luminescence quenching effect of Yb3+ in the bismuthate glass may not be stronger than that in the phosphate glass. However, there exist probably some defect quenching centers such as Bi3+ and Yb2+ with unstable valence states in the bismuthate glass.
Słowa kluczowe
materials, luminescence properties, laser evaluation parameters, radiation trapping effect, energy transfer, yb3+ doped bismuthate glass
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