Numerical Study of Multiline CO Laser Frequency Conversion in a ZnGeP2 Crystal to the THz Range

descriptionPublicationkeyboard_double_arrow_right Article 01 Mar 2019 Russian Federation English Publisher:Allerton PressJournal:Bulletin of the Russian Academy of Sciences: Physics, volume 83, pages 237-241 (issn: 1062-8738, eissn: 1934-9432,

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Authors: Ionin, Andrey A.; Kinyaevskiy, Igor O.; Klimachev, Yury M.; Andreev, Yury M.;

doi: 10.3103/s1062873819030043

Numerical Study of Multiline CO Laser Frequency Conversion in a ZnGeP2 Crystal to the THz Range

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Abstract

A numerical simulation was performed for frequency conversion of multiline CO laser radiation to the THz range by difference frequency generation in a ZnGeP2 crystal. It was shown that the difference frequencies spectrum can be tuned in the wavelength interval of 70–1300 μm by tuning the phase-matching angle in the range of 11° to 55°. The maximal peak power of difference frequencies radiation (integral over the spectrum) was ~0.23 W at 45° phase-matching angle, which corresponds to a peak power conversion efficiency of 6 × 10−5.

Country

Russian Federation

Related Organizations

Russian Academy of Sciences
Russian Federation
Institute of Monitoring of Climatic and Ecological Systems
Russian Federation
National Research University of Electronic Technology
Russian Federation
National Research Tomsk State University
Russian Federation

Keywords

терагерцовый диапазон частот, CO-лазеры, численное моделирование

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