Zobrazeno 1 - 10
of 83
pro vyhledávání: '"Lianhan Zhang"'
Autor:
Yan Chen, Juncheng Tan, Peixiong Zhang, Weibi Zheng, Lin Li, Lianhan Zhang, Zhen Li, Yin Hang, Zhenqiang Chen
Publikováno v:
Journal of Rare Earths.
Autor:
LIANHAN ZHANG1, WEIMIN ZUO1
Publikováno v:
Wisconsin International Law Journal. Spring2020, Vol. 37 Issue 2, p441-468. 28p.
Autor:
Lianhan Zhang
Publikováno v:
Modern China. 47:85-121
An analysis of detailed police dossiers and participant interviews in two urban districts reveals that, in the field of criminal justice in China, the process of collection, circulation, and disposal of material evidence has been highly problematic.
Autor:
Mingzhu He, Chun Li, Lianhan Zhang, Peixiong Zhang, Zhenqiang Chen, Min Xu, Shulong Zhang, Yin Hang, Yuxin Leng, Shanming Li, Guangzhu Chen, Yilun Yang
Publikováno v:
Journal of Luminescence. 210:142-145
The Tm3+ and Ho3+ ions co-doped LaF3 crystal was grown successfully by the Bridgman method for the first time. X-ray diffraction, thermal conductivity, absorption, and fluorescence properties were investigated systematically. The thermal conductivity
Autor:
Shulong Zhang, Tao Yan, Shanming Li, Yilun Yang, Mingzhu He, Yin Hang, Ning Ye, Guangzhu Chen, Min Xu, Lianhan Zhang
Publikováno v:
Journal of Luminescence. 208:63-66
The efficient 2.87 μ m emission of Ho3+: 5I6 → 5I7 transition via Nd3+ sensitization in Nd,Ho:LaF3 crystal was obtained under 808 nm LD excitation for the first time. The lifetime of Ho3+:5I7 decreases dramatically from 26.28 ms to 6.41 ms via Nd3
Autor:
Lianhan Zhang, Min Xu, Ning Ye, Mingzhu He, Shanming Li, Guangzhu Chen, Yilun Yang, Peixiong Zhang, Yin Hang, Tao Yan
Publikováno v:
Journal of Luminescence. 203:730-734
A novel Yb3+, Ho3+:LaF3 crystal was successfully grown and analyzed. Intense emission at 2.87 µm was observed in Yb3+, Ho3+:LaF3 crystal for the first time. Yb3+ ions not only provide sensitization mechanism for conventional LD pump, but also reduce
Autor:
Lianhan Zhang, Jingliang He, Yin Hang, Kejian Yang, Hongkun Nie, Peixiong Zhang, Baitao Zhang, Xiaoli Sun, Min Xu
Publikováno v:
IEEE Journal of Selected Topics in Quantum Electronics. 24:1-5
Efficient continuous wave (CW) and passively Q-switched Ho3+,Pr3+:LiLuF 4 (Ho,Pr:LLF) laser operating at 2.95 μ m were realized using a 1150-nm Raman fiber laser as the pump source. A CW output power as high as 1.15 W, which we believe to be the hig
Publikováno v:
Infrared Physics & Technology. 87:65-71
A Dy:LaF3 crystal was grown successfully by the Bridgman method, and X-ray diffraction results show that it is well-crystallized. The room temperature absorption spectra, fluorescence spectra and the fluorescence decay curves were measured. On the ba
Publikováno v:
Infrared Physics & Technology. 82:50-55
Optical properties of a Tm-doped LaF3 single crystal have been detailed investigated as a promising material for ∼1.84 μm lasers for the first time. Judd-Ofelt theory was applied to analyze the absorption spectrum. With the J-O intensity parameter
Autor:
Zhe Chen, Min Xu, Lianhan Zhang, Long Zhang, Yin Hang, Benxue Jiang, Guangzhu Chen, Changjun Ke, Xiangyong Wang
Publikováno v:
Journal of Alloys and Compounds. 695:3767-3771
The spectroscopic characterization and energy transfer mechanism of iron-chromium co-doped ZnS polycrystalline (Cr,Fe:ZnS) were reported with dimension of 10 mm × 10 mm × 1.5 mm produced by step-temperature thermal diffusion method. The infrared ab