Abstract
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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Original Russian Text © S.V. Chuchupal, G.A. Komandin, E.S. Zhukova, O.E. Porodinkov, I.E. Spektor, A.I. Gribenyukov, 2015, published in Fizika Tverdogo Tela, 2015, Vol. 57, No. 8, pp. 1467–1472.
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Chuchupal, S.V., Komandin, G.A., Zhukova, E.S. et al. Effect of electron irradiation of ZnGeP2 single crystals on terahertz losses in a wide temperature range. Phys. Solid State 57, 1607–1612 (2015). https://doi.org/10.1134/S1063783415080041
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DOI: https://doi.org/10.1134/S1063783415080041