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Mechanisms of loss formation in nonlinear optical crystals ZnGeP2 in the terahertz frequency range |
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| Authors: | S V Chuchupal G A Komandin E S Zhukova A S Prokhorov O E Porodinkov I E Spektor Yu A Shakir A I Gribenyukov |
| Institution: | 1. Prokhorov General Physics Institute, Russian Academy of Sciences, ul. Vavilova 38, Moscow, 119991, Russia 2. Moscow Institute of Physics and Technology (State University), Institutskii per. 9, Dolgoprudnyi, Moscow oblast, 141700, Russia 3. Institute of Monitoring of Climatic and Ecological Systems, Siberian Branch of the Russian Academy of Sciences, pr. Akademicheskii 10/3, Tomsk, 634055, Russia |
| Abstract: | Physical mechanisms of formation of radiation losses in the terahertz range in ZnGeP2 crystals have been experimentally studied in the wave number range of 5–350 cm?1 at temperatures of 10–300 K. The dominant contribution of two-phonon difference processes to the loss formation in the given frequency range has been shown. |
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