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金属研究所 [2]
清华大学 [1]
长春光学精密机械与物... [1]
四川大学 [1]
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期刊论文 [4]
会议论文 [1]
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2011 [2]
2010 [2]
2008 [1]
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CALCULATION OF THE PHOTOLUMINESCENCE SPECTRA FOR Yb(3+)-DOPED CuInS(2) CRYSTAL
期刊论文
Modern Physics Letters B, 2011, 卷号: 25, 期号: 30, 页码: 2307-2312
P. Su
;
W. C. Zheng
;
H. G. Liu
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浏览/下载:17/0
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提交时间:2012/04/13
Luminescence spectrum
defect structure
crystal field theory
CuInS(2)
Yb(3+)
superposition-model analysis
spin-hamiltonian parameters
rare-earth-elements
optical spectroscopy
epr parameters
yb3+ ions
field
luminescence
zngep2
inp
Growth of ZnGeP Single Crystal by Three-Temperature-Zone Furnace
期刊论文
Advanced Materials Research, 2011, 卷号: Vol.179-180, 页码: 945-948
作者:
Zhao, X
;
Zhu, SF
;
Sun, YQ
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浏览/下载:2/0
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提交时间:2019/02/28
Crystal Growth
IR Transmission
Temperature Field Distribution
X-Ray Diffraction (XRD)
ZnGeP2
Theoretical study of tunable terahertz radiation based on difference-frequency generation in GaSe and ZnGeP2 crystals
期刊论文
2010, 2010
Liu Huan
;
Xu De-Gang
;
Yao Jian-Quan
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Experiments of second harmonic generation output in pulsed TEA CO 2 laser (EI CONFERENCE)
会议论文
High-Power Lasers and Applications V, October 18, 2010 - October 19, 2010, Beijing, China
Guo R.
;
Li D.
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提交时间:2013/03/25
It is always the hot subject to realize the output of high-power laser in the range of 3-5m wavelength. This rang of wave band has greatly important applications in military because it located in the atmosphere window. Generally there are two ways to obtain this range of laser wavelength. One way is through optical parameter oscillation (OPO) from shorter laser wavelength and the other is through second harmonic generation (SHG) from longer laser wavelength. Firstly
the comparison between tow nonlinear crystals ZnGeP2 and AgGaSe2 is conducted for their nonlinear coefficient and damaging threshold in theory. The theoretical results show that the crystal AgGaSe 2 is more suitable for the SHG of pulsed TEA CO2 laser. When using pulsed TEA CO2 laser with wavelength of 9.3m to pumping AgGaSe2 SHG crystal
the wavelength of 4.65m is obtained. In the condition of repetition rate 100Hz
the upmost output power of single pulse is up to level of 1W
which corresponding efficiency of SHG is about 6%. The experimental results show that the polarization of laser beam has greatly influence on the SHG output of the crystal. Under the radiation of 3MW/cm 2 from fundamental wave and the right position for maximal SHG output in the crystal
when polarization of laser beam rotates 4.5
the SHG output of energy decrease about 30%. The research of this paper will make a foundation for further development of mid-infrared laser. 2010 Copyright SPIE - The International Society for Optical Engineering.
Zero-field splittings and local tilting angles tau(Mn2+) for Mn2+ in ZnGeP2 and CdGeP2 crystals
期刊论文
Spectrochimica Acta Part a-Molecular and Biomolecular Spectroscopy, 2008, 卷号: 71, 期号: 2, 页码: 417-420
H. G. Liu
;
X. X. Wu
;
W. C. Zheng
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浏览/下载:15/0
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提交时间:2012/04/13
Electron paramagnetic resonance (EPR)
Defect structure
Crystal- and
ligand-field theory
Superposition model
Mn2+
ZnGeP2
GdGeP2
room-temperature ferromagnetism
cr3+ ions
semiconductors
epr
parameters
dependence
znsip2
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