2.0-μm emission and energy transfer of Ho
3+
/Yb
3+
co-doped LiYF
4
single crystal excited by 980 nm
*
Yang Shuo
a)
, Xia Hai-Ping
a)†
, Jiang Yong-Zhang
a)
, Zhang Jia-Zhong
a)
, Jiang Dong-Sheng
a)
, Wang Cheng
a)
, Feng Zhi-Gang
a)
, Zhang Jian
a)
, Gu Xue-Mei
a)
, Zhang Jian-Li
a)
, Jiang Hao-Chuan
b)
, Chen Bao-Jiu
c)
Fluorescence decay curves of LFY2 and LFHY2 by 940-nm excitation.