Femtosecond Laser-Induced Upconversion Luminescence in Rare-Earth Ions by Nonresonant Multiphoton Absorption

2016 ◽  
Vol 120 (28) ◽  
pp. 5522-5526 ◽  
Author(s):  
Yunhua Yao ◽  
Cheng Xu ◽  
Ye Zheng ◽  
Chengshuai Yang ◽  
Pei Liu ◽  
...  
Keyword(s):  
Rare Earth ◽  
Femtosecond Laser ◽  
Upconversion Luminescence ◽  
Rare Earth Ions ◽  
Multiphoton Absorption

Improved Upconversion Luminescence in Water-Soluble Yb3+/Er3+ Codoped LaF3 Nanoparticles Through Ca2+ Doping

2016 ◽  
Vol 16 (4) ◽  
pp. 3883-3885 ◽  
Author(s):  
Shihu Liu ◽  
Peng Zhang ◽  
Daguang Li ◽  
Min Lan ◽  
Zhe Wang ◽  
...  
Keyword(s):  
Rare Earth ◽  
Luminescence Intensity ◽  
Upconversion Luminescence ◽  
Environmentally Friendly ◽  
Polyol Process ◽  
Rare Earth Ions ◽  
Water Soluble

Monodisperse water-soluble LaF3: Yb3+/Er3+ nanocrystals (NCs) have been successfully fabricated via a fast, facile, and environmentally-friendly polyol process with polyvinylpyrrolidone (PVP) as an amphiphilic surfactant. The obtained NCs with a small size of 18 nm can be well dispersed in hydrophilic solutions. Meanwhile, their upconversion (UC) luminescence intensity was increased through Ca2+ doping due to the decrease of symmetry around rare earth ions.

scholarly journals Observation of up-conversion luminescence polarization control in Sm3+-doped glass under an intermediate femtosecond laser field

RSC Advances ◽  
2017 ◽  
Vol 7 (22) ◽  
pp. 13444-13450 ◽  
Author(s):  
Ye Zheng ◽  
Wenjing Cheng ◽  
Yunhua Yao ◽  
Cheng Xu ◽  
Donghai Feng ◽  
...  
Keyword(s):  
Rare Earth ◽  
Femtosecond Laser ◽  
Laser Field ◽  
Rare Earth Ions ◽  
Polarization Modulation ◽  
Established Method ◽  
Polarization Control ◽  
Luminescence Polarization ◽  
Doped Glass

The polarization modulation strategy of the femtosecond laser field was shown to be a well-established method to control up-conversion luminescence in rare-earth ions.

Surface effect of nanocrystals doped with rare-earth ions enriched on surface and its application in upconversion luminescence

2012 ◽  
Vol 21 (7) ◽  
pp. 073201 ◽  
Author(s):  
En-Jie He ◽  
Ning Liu ◽  
Mao-Lian Zhang ◽  
Yan-Fu Qin ◽  
Bang-Gui Guan ◽  
...  
Keyword(s):  
Rare Earth ◽  
Surface Effect ◽  
Upconversion Luminescence ◽  
Rare Earth Ions

Optical temperature sensing using upconversion luminescence in rare-earth ions doped Ca2Gd8(SiO4)6O2 phosphors

2019 ◽  
Vol 771 ◽  
pp. 838-846 ◽  
Author(s):  
Jia Zhang ◽  
Guibin Chen ◽  
Zhangyin Zhai ◽  
Huabao Chen ◽  
Yamei Zhang
Keyword(s):  
Rare Earth ◽  
Upconversion Luminescence ◽  
Temperature Sensing ◽  
Rare Earth Ions
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