Enhanced broadband near-infrared emission and energy transfer in Bi-Tm-codoped germanate glasses for broadband optical amplification

2009 ◽  
Vol 34 (16) ◽  
pp. 2486 ◽  
Author(s):  
Jian Ruan ◽  
Guoping Dong ◽  
Xiaofeng Liu ◽  
Qiang Zhang ◽  
Danping Chen ◽  
...  
2011 ◽  
Vol 33 (3) ◽  
pp. 299-302 ◽  
Author(s):  
Rongrong Xu ◽  
Ying Tian ◽  
Meng Wang ◽  
Lili Hu ◽  
Junjie Zhang

2009 ◽  
Vol 24 (2) ◽  
pp. 516-519 ◽  
Author(s):  
Jian Ruan ◽  
Botao Wu ◽  
Danping Chen ◽  
Yanbo Qiao ◽  
Jianrong Qiu

In this article, we report on enhanced broadband near-infrared emission in Yb–Bi codoped phosphate glasses. The emission intensity of Yb–Bi codoped glass was ˜32 times larger than that of Bi-doped glass when excited with 980-nm laser diode. The highest 1/e fluorescent lifetime of Yb–Bi codoped glass reached 1650 μs. The dependence of emission intensity and fluorescent lifetime on Yb2O3 concentration was investigated. The enhancement of the near-infrared emission is due to energy transfer from Yb3+ (2F5/2–2F7/2) transition to Bi ions, and the highest energy transfer efficiency reached 50%. Yb–Bi codoped phosphate glass should be a promising candidate for broadband optical amplification.


2019 ◽  
Vol 793 ◽  
pp. 107-114 ◽  
Author(s):  
Joanna Pisarska ◽  
Marta Kuwik ◽  
Agata Górny ◽  
Jan Dorosz ◽  
Marcin Kochanowicz ◽  
...  

2019 ◽  
Vol 63 (4) ◽  
pp. 575-581 ◽  
Author(s):  
Gongxun Bai ◽  
Yongxin Lyu ◽  
Zehan Wu ◽  
Shiqing Xu ◽  
Jianhua Hao

RSC Advances ◽  
2014 ◽  
Vol 4 (54) ◽  
pp. 28471-28480 ◽  
Author(s):  
Atiya N. Jordan ◽  
Noureen Siraj ◽  
Susmita Das ◽  
Isiah M. Warner

Mixtures of GUMBOS were used to form binary nanomaterials with tunable emission spectra due to Förster resonance energy transfer (FRET).


2009 ◽  
Vol 24 (2) ◽  
pp. 310-315 ◽  
Author(s):  
Jin Luo ◽  
Shifeng Zhou ◽  
Botao Wu ◽  
Hucheng Yang ◽  
Song Ye ◽  
...  

Cr3+/Ni2+ co-doped optically transparent magnesium aluminosilicate glass-ceramics containing MgAl2O4 nanocrystals have been prepared by heat-treatment. Greatly enhanced broadband near-infrared emission centered at 1216 nm in Cr3+/Ni2+ co-doped glass ceramics is observed when compared with the Ni2+ single-doped glass ceramics under 532 nm excitation. The observed enhancement of infrared emission is attributed to the energy transfer from Cr3+ to Ni2+ ions in the nanocrystalline phase, which leads to the emission due to 3T2(3F) → 3A2(3F) transition of octahedral Ni2+ ions.


2018 ◽  
Vol 6 (27) ◽  
pp. 7302-7310 ◽  
Author(s):  
Kai Li ◽  
Rik Van Deun

A series of (Na,K)Mg(La,Gd)TeO6:Mn4+,Nd3+,Yb3+ materials were prepared and the broadband spectral conversion of UV/visible to near-infrared emission for c-Si solar cells was effectively realized via efficient energy transfer processes.


2020 ◽  
Vol 8 (35) ◽  
pp. 12189-12195
Author(s):  
Jun Zhou ◽  
Zhiguo Xia ◽  
Xiong Li ◽  
Xiangyan Yun ◽  
Jiayue Sun ◽  
...  

An enhanced near-infrared emission can be achieved by Ho3+/Er3+ energy transfer bridges in LiGaW2O8:Yb3+, Ho3+/Er3+, Cr3+ up-conversion phosphors.


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