Model studies of THz-range generation by down-conversion in GaSe and GaSeS crystals /D. M. Lubenko, V. F. Losev, Y. M. Andreev, G. V. Lanskii

Lubenko, D. M.
Электронный ресурс
Другой Автор
Lubenko, D. M.
Andreev, Yury M. 1946-
Lanskii, Grigory V.
Losev, V. F.
Источник
Proceedings of SPIE 2015 Vol. 9810 : XII International Conference on Atomic and Molecular Pulsed Lasers, 13–18 September 2015, Tomsk, Russian Federation. P. 98101T-1-98101T-10
Аннотация
Model study of not phase matched and phase matched optical rectification or down-conversion of Ti:Sapphire laser pulses at 950 nm into THz and far-IR range in pure and S-doped GaSe single crystals is carried out. First, the ordinary and extraordinary wave dispersions of the GaSe refractive indices were measured by terahertz time-domain spectroscopy (THz-TDS). Measured data were approximated in the form of Sellmeier dispersion equations for 0.62 – 2000 μm range with using available shorter wave data. © (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Резюме
Model study of not phase matched and phase matched optical rectification or down-conversion of Ti:Sapphire laser pulses at 950 nm into THz and far-IR range in pure and S-doped GaSe single crystals is carried out. First, the ordinary and extraordinary wave dispersions of the GaSe refractive indices were measured by terahertz time-domain spectroscopy (THz-TDS). Measured data were approximated in the form of Sellmeier dispersion equations for 0.62 – 2000 μm range with using available shorter wave data. © (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.