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Chin. Phys. B, 2008, Vol. 17(1): 224-227    DOI: 10.1088/1674-1056/17/1/039
CLASSICAL AREAS OF PHENOMENOLOGY Prev   Next  

Green and red up-conversion emissions and thermometric application of Er3+-doped silicate glass

Li Cheng-Ren(李成仁)a)b), Dong Bin(董斌)b), Li Lei(李磊)c), and Lei Ming-Kai(雷明凯)b)
a College of Physics and Electronic Technology, Liaoning Normal University, Dalian 116029, Chinab School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China; c Department of Physics, Dalian Maritime University, Dalian 116024, China
Abstract  The green and red up-conversion emissions centred at about 534, 549 and 663\,nm of wavelength, corresponding respectively to the ${^{2}}H_{11 / 2} \to {^{4}}I_{15 / 2}$, ${^{4}}S_{3 / 2} \to {^{4}}I_{15 / 2}$ and ${^{4}}F_{9 / 2} \to {^{4}}I_{15 / 2}$ transitions of Er$^{3 + }$ ions, have been observed for the Er$^{3 + }$-doped silicate glass excited by a 978\,nm semiconductor laser beam. Excitation power dependent behaviour of the up-conversion emission intensity indicates that a two-photon absorption up-conversion process is responsible for the green and red up-conversion emissions. The temperature dependence of the green up-conversion emissions is also studied in a temperature range of 296--673\,K, which shows that Er$^{3 + }$-doped silicate glass can be used as a sensor in high-temperature measurement.
Keywords:  Er3 +-doped silicate glass      up-conversion emission      fluorescence intensity ratio  
Accepted manuscript online: 
PACS:  42.55.Px (Semiconductor lasers; laser diodes)  
  42.70.Ce (Glasses, quartz)  
  42.60.Jf (Beam characteristics: profile, intensity, and power; spatial pattern formation)  
  42.60.By (Design of specific laser systems)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 60477023) and the Natural Science Foundation of Science and Technology Commission of Liaoning Province, China (Grant No 20062137).

Cite this article: 

Li Cheng-Ren(李成仁), Dong Bin(董斌), Li Lei(李磊), and Lei Ming-Kai(雷明凯) Green and red up-conversion emissions and thermometric application of Er3+-doped silicate glass 2008 Chin. Phys. B 17 224

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