Effect of electron irradiation of ZnGeP2 single crystals on terahertz losses in a wide temperature range

被引：0
|
作者：
S. V. Chuchupal
G. A. Komandin
E. S. Zhukova
O. E. Porodinkov
I. E. Spektor
A. I. Gribenyukov
机构：
[1] Russian Academy of Sciences,Prokhorov General Physics Institute
[2] Moscow Institute of Physics and Technology (State University),Institute of Monitoring of Climatic and Ecological Systems
[3] Siberian Branch of the Russian Academy of Sciences,undefined
来源：
Physics of the Solid State | 2015年 / 57卷
关键词：
Transmission Spectrum; Electron Irradiation; Dielectric Response Func Tion; Dielectric Contribution; Generate Terahertz Radiation;
D O I：
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中图分类号：
学科分类号：
摘要：
The reflection and transmission spectra of ZnGeP2 single crystals irradiated with 4-MeV electrons have been measured in the frequency range of 5-5000 cm−1 at temperatures in the range of 10-300 K. Based on the measured spectra, the spectra of complex permittivity ɛ*(ν) and absorption coefficient α(ν) have been simulated using the dispersion analysis method. It has been found that the electron irradiation decreasing the losses in the pumping range by a factor of 2–3 does not lead to additional losses in the region of generating terahertz radiation.
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页码：1607 / 1612
页数：5
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