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pro vyhledávání: '"Nikolai I. Petrov"'
Autor:
Nikolai I. Petrov
Publikováno v:
Вестник Екатеринбургской духовной семинарии, Iss 41, Pp 119-148 (2023)
The connection of St. Michael’s Castle as an imperial residence with the medieval European image of a fortress-church and with the legend about the Archangel Michael’s appearance indicates that Paul I opposed this new architectural expression of
Externí odkaz:
https://doaj.org/article/9df29968257f416e941ebc0e49c75d7c
Autor:
Nikolai I. Petrov
Publikováno v:
Вестник Екатеринбургской духовной семинарии, Iss 39, Pp 181-212 (2022)
Uniqueness of the name, which was given by Paul I to his palace-castle and connected it with the image of Archangel Michael, has been often mentioned in the historical publications. The sacral nature of this name can be explained by Paul’s seeing t
Externí odkaz:
https://doaj.org/article/69fe54bcd5144de5a7ec3f829aba8746
Autor:
Nikolai I. Petrov
Publikováno v:
Photonics, Vol 11, Iss 2, p 180 (2024)
A spatial-frequency thin-film filter with inclusions of nanoparticles operating in the visible range of the spectrum is investigated. The effect of nanoparticles embedded in the central and lateral layers of the frustrated total internal reflection f
Externí odkaz:
https://doaj.org/article/5ed55a423cf648f6b4d16889a6ea1350
Autor:
Nikolai I. Petrov
Publikováno v:
Symmetry, Vol 16, Iss 1, p 87 (2024)
Spin–orbit coupling and nonparaxiality effects during the propagation of vortex vector light beams in a cylindrical graded-index waveguide are investigated by solving the full three-component field Maxwell’s equations. Symmetry-breaking effects f
Externí odkaz:
https://doaj.org/article/2edcc9608b2445d093c0236453bdcc31
Autor:
Nikolai I. Petrov
Publikováno v:
Photonics, Vol 10, Iss 7, p 857 (2023)
The nonparaxial focusing of partially coherent beams in free space has been studied using the coherent-state and coherent-mode decomposition methods. Analytical expressions for the width and angular divergence of partially coherent Gaussian Schell-mo
Externí odkaz:
https://doaj.org/article/61ff98a9f9dd46399f451d2497fb2988
Autor:
Nikolai I. Petrov
Publikováno v:
Fibers, Vol 11, Iss 7, p 62 (2023)
The dispersion properties of surface plasmon polaritons (SPPs) during propagation on metal wires with a dielectric coating in the terahertz frequency range were investigated theoretically. An analytical expression was obtained for a pulsed electric f
Externí odkaz:
https://doaj.org/article/568c2d71c8b74c0eacfe000298c5506b
Autor:
Nikolai I. Petrov, Yuri M. Sokolov, Vladimir V. Stoiakin, Viktor A. Danilov, Vladimir V. Popov, Boris A. Usievich
Publikováno v:
Photonics, Vol 10, Iss 2, p 180 (2023)
The effect of the Goos-Hanchen (GH) angular shift for a visible light beam under the excitation of surface plasmon resonance (SPR) in a metal subwavelength grating has been investigated. Extremely large angular GH shifts have been demonstrated for a
Externí odkaz:
https://doaj.org/article/c93d3e8fac8641de9c7c15ba6e650015
Autor:
Nikolai I. Petrov
Publikováno v:
Micromachines, Vol 14, Iss 1, p 38 (2022)
The nonparaxial propagation of partially coherent beams carrying vortices in free space is investigated using the method of decomposition of the incident field into coherent diffraction-free modes. Modified Bessel correlated vortex beams with the wav
Externí odkaz:
https://doaj.org/article/f0bab6b0feb245aab7bd2928129b59e9
Autor:
Nikolai I. Petrov
Publikováno v:
Fibers, Vol 10, Iss 10, p 89 (2022)
The influence of the conductivity and radius of metal wires embedded into the dielectric fiber on the velocity and attenuation length of terahertz surface plasmon polaritons has been theoretically investigated. It was shown that the phase velocities
Externí odkaz:
https://doaj.org/article/8620203397564d5c8eab239310ed5438
Autor:
Nikolai I. Petrov, Alexey P. Porfirev
Publikováno v:
Photonics, Vol 9, Iss 8, p 570 (2022)
Polarization is often measured to study the interaction of light and matter, so the description of the polarization of light beams is of both practical and fundamental interest [...]
Externí odkaz:
https://doaj.org/article/506c75ef95ca4515be1a8b3187570b3f