<P><B>Abstract</B></P> <P>A series of Er<SUP>3+</SUP>/Yb<SUP>3+</SUP> co-doped fluorophosphate glasses with varying YbF<SUB>3</SUB> concentration were prepared by a high temperature me...
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https://www.riss.kr/link?id=A107697318
2018
-
학술저널
236-243(8쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P><B>Abstract</B></P> <P>A series of Er<SUP>3+</SUP>/Yb<SUP>3+</SUP> co-doped fluorophosphate glasses with varying YbF<SUB>3</SUB> concentration were prepared by a high temperature me...
<P><B>Abstract</B></P> <P>A series of Er<SUP>3+</SUP>/Yb<SUP>3+</SUP> co-doped fluorophosphate glasses with varying YbF<SUB>3</SUB> concentration were prepared by a high temperature melt quenching technique. Absorption and emission cross-sections were determined by using the McCumber theory. The larger emission cross-section (9.86×10<SUP>−21</SUP> cm<SUP>2</SUP>) and longer fluorescence lifetime (12.37ms) were obtained for the <SUP>4</SUP>I<SUB>13/2</SUB> → <SUP>4</SUP>I<SUB>15/2</SUB> transition of ABS3Er4Yb glass. The sensitivity and temperature of the maximum sensitivity were evaluated by the fluorescence intensity ratio method from the measured upconversion spectra. The results were discussed and compared to the other reported glasses.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Er<SUP>3+</SUP>/Yb<SUP>3+</SUP> co-doped fluorophosphate glasses were prepared and characterized. </LI> <LI> Judd–Ofelt intensity parameters and radiative properties were evaluated from the measured absorption spectra. </LI> <LI> The strong NIR emission observed at 1540nm and its spectroscopic were investigated. </LI> <LI> Temperature dependence upconversion studies were carried out for the thermal sensing behavior of the glasses. </LI> <LI> The sensitivity and temperature of the maximum sensitivity were evaluated. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>