Zobrazeno 1 - 10
of 128
pro vyhledávání: '"Victor G. Bespalov"'
Autor:
Pavel Yu. Rogov, Chau-Jern Cheng, Sergey S. Nalegaev, Vladislav A. Skobnikov, Victor G. Bespalov
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 17, Iss 2, Pp 215-233 (2017)
The features of human skin response to the impact of femtosecond laser radiation were researched. The Monte–Carlo method was used for estimation of the radiation penetration depth into the skin cover. We used prevalent wavelength equal to 800 nm (f
Externí odkaz:
https://doaj.org/article/50b3e07fe15649b8ac9cb1c04f57f3db
Autor:
Sergei A. Kozlov, A. N. Tsypkin, Xi-Cheng Zhang, Yaroslav V. Grachev, Victor G. Bespalov, Sergey E. Putilin, Xinrui Liu
Publikováno v:
IEEE Photonics Technology Letters. 30:103-106
A method of ultrafast wireless information transmission using spectrum-sliced supercontinuum (SC) along the THz frequency range is presented in this letter. The THz spectrum-sliced SC was formed by femtosecond optical pulses doubled in a Michelson in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::583651725cd89984b0e4ade3be30246f
https://doi.org/10.1109/lpt.2017.2777338
https://doi.org/10.1109/lpt.2017.2777338
Publikováno v:
Optics and Spectroscopy. 121:85-89
Theoretical analysis of the spatial, noise, and energy characteristics of an amplifier has been performed in the mode of spectral and time selection using subnanosecond stimulated Raman Scattering gain of weak echo signals in crystalline active media
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f77bf06c8c137926e0787b952dcd95d
https://doi.org/10.1134/s0030400x16070079
https://doi.org/10.1134/s0030400x16070079
Autor:
Sergey E. Putilin, Victor G. Bespalov, M. O. Zhukova, V. P. Chegnov, Yaroslav V. Grachev, Anton N. Tcypkin, O. I. Chegnova
Publikováno v:
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).
By doping ZnSe crystals with Fe2+ ions at a level of 0.23 wt. %, the transmission of broadband terahertz (THz) radiation from 0.4 to 0.5 THz range have been enhanced for up to 20%. The sample transmission was carried out using a terahertz time-domain
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e0f0058664d7d81aa5788b95ec827c9a
https://doi.org/10.1109/irmmw-thz.2018.8509857
https://doi.org/10.1109/irmmw-thz.2018.8509857
Autor:
Sergei A. Kozlov, Sergey E. Putilin, Evgenia A. Ponomareva, S. V. Smirnov, Xi-Cheng Zhang, Anton N. Tcypkin, Sviatoslav A. Shtumpf, M. V. Melnik, Victor G. Bespalov, Yiwen E
Publikováno v:
2018 International Conference Laser Optics (ICLO).
We present experimental measurement and numerical simulation of terahertz radiation generation with respect to the duration of optical excitation pulse and the thickness of the water jet.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9d817794e3d440b74c3fab19703c86b
https://doi.org/10.1109/lo.2018.8435465
https://doi.org/10.1109/lo.2018.8435465
Publikováno v:
Imaging and Applied Optics 2018 (3D, AO, AIO, COSI, DH, IS, LACSEA, LS&C, MATH, pcAOP).
In given talk we consider the possibilities of terahertz pulse time-domain holography for the spatio-temporal and spatio-spectral analysis of arbitrary broadband beams basing on the spatio-temporal field distribution measured in one transversal plane
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5714a83de062d92ae0d1e97e61e4f77e
https://doi.org/10.1364/dh.2018.dtu2f.7
https://doi.org/10.1364/dh.2018.dtu2f.7
Publikováno v:
Scientific Reports
Scientific Reports, Vol 8, Iss 1, Pp 1-11 (2018)
Scientific Reports, Vol 8, Iss 1, Pp 1-11 (2018)
Terahertz pulse time-domain holography is the ultimate technique allowing the evaluating a propagation of pulse broadband terahertz wavefronts and analyze their spatial, temporal and spectral evolution. We have numerically analyzed pulsed broadband t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::181d2ceed3d29d5cea8ad4e0b28dec25
https://pubmed.ncbi.nlm.nih.gov/29362500
https://pubmed.ncbi.nlm.nih.gov/29362500
Autor:
Maksim S. Kulya, Xi-Cheng Zhang, Jiapeng Zhao, Robert W. Boyd, Sergei A. Kozlov, Sergey E. Putilin, Victor G. Bespalov, Anton N. Tcypkin, S. Choudhary, M. Siddiqui
Publikováno v:
2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).
We report the measurement of the intensity-dependent refractive index m of ZnSe crystal at THz frequencies. We used a modified Z-scan method with an intense THz beam of maximum intensity 0.8×109W/cm2. We measured an extremely large m value of the or
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f2faaf4ab2bc9892df9a72790400734
https://doi.org/10.1109/irmmw-thz.2017.8066912
https://doi.org/10.1109/irmmw-thz.2017.8066912
Autor:
A. N. Tsypkin, Xi-Cheng Zhang, Sergei A. Kozlov, Xinrui Liu, Ya. V. Grachev, Victor G. Bespalov, Sergey E. Putilin
Publikováno v:
2016 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz).
The ultrafast wireless information transmission method using sliced spectral continuum in the THz frequency range, formed by a pair of THz pulses, is presented. The sliced spectral continuum contained 31 spectral lines with 23 GHz spacing in the rang
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f65a31083ad17a9aab9d27dec6c6d04
https://doi.org/10.1109/irmmw-thz.2016.7758499
https://doi.org/10.1109/irmmw-thz.2016.7758499
Autor:
Nikolay V. Petrov, Ya. V. Grachev, Maksim S. Kulya, A. N. Tsypkin, Sergey E. Putilin, V A Semenova, Victor G. Bespalov
Publikováno v:
2016 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz).
We present a simulation-based and experimental study propagating broadband terahertz vortex beams generated by a spiral phase plate. Numerical simulation based on scalar diffraction theory was used to obtain the spatial amplitude and phase distributi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9cf93eb406e011dd580bf003ac2b558
https://doi.org/10.1109/irmmw-thz.2016.7758823
https://doi.org/10.1109/irmmw-thz.2016.7758823