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Загальна кількість знайдених документів : 3
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Dmitriev M. V. Experimental and theoretical study of stimulated Raman scattering indicatrix asymmetry [Електронний ресурс] / M. V. Dmitriev, O. Iu. Isaienko, А. І. Ivanisik, P. A. Korotkov // Semiconductor physics, quantum electronics & optoelectronics. - 2012. - Vol. 15, № 1. - С. 44-47. - Режим доступу: http://nbuv.gov.ua/UJRN/MSMW_2012_15_1_13
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Ivanisik А. І. Frequency-angular spectra of the stimulated Raman scattering parametric components under self-action [Електронний ресурс] / А. І. Ivanisik, O. Iu. Isaenko, P. A. Korotkov // Semiconductor physics, quantum electronics & optoelectronics. - 2012. - Vol. 15, № 4. - С. 370-375. - Режим доступу: http://nbuv.gov.ua/UJRN/MSMW_2012_15_4_15 It's theoretically proved that in self-focusing mode of exciting radiation, self-phase modulation, and the relaxation oscillations of the nonlinear polarization amplitude, the frequency-angular structure of the parametric components of the stimulated Raman scattering has special features. Maximum of radiation energy shifts relative to Raman frequencies, and this shift depends on the scattering angle. The largest Stokes shift (about - 10 cm<^>-1) of the maximum energy in the spectrum of parametric components corresponds to axial radiation and is determined by the size of the focal area, time of polarization existence as well as mismatch of the polarization wave vectors and parametric component. The obtained estimations of the self-phase modulation influence on radiation in the case of relaxation oscillations show that this influence is insignificant. The effect has been interpreted in terms of short-term phase matching.
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Isaenko O. Iu. Generation and enhancement of SRS sub-nanosecond pulses in self-focusing organic substances [Електронний ресурс] / O. Iu. Isaenko, А. І. Ivanisik, P. A. Korotkov, G. V. Ponezha // Semiconductor physics, quantum electronics & optoelectronics. - 2014. - Vol. 17, № 2. - С. 205-208. - Режим доступу: http://nbuv.gov.ua/UJRN/MSMW_2014_17_2_16 The possibility to use self-focusing organic substances in order to create highly efficient transformers of laser radiation based on stimulated Raman scattering has been researched. The proposed and implemented optical schemes are suitable for generation of seed sub-nanosecond Stokes pulses, due to dynamics of self-focusing, and the compression of giant pulses of multimode laser with high (<$E >>~20>) increase in the intensity at a shifted frequency.
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