Zobrazeno 1 - 10
of 29
pro vyhledávání: '"G. K. Krasin"'
Autor:
E. A. Oleynichuk, M. S. Kovalev, Pavel Danilov, N. G. Stsepuro, G. K. Krasin, Sergey I. Kudryashov, S. A. Bibicheva, V. P. Martovitskii
Publikováno v:
JETP Letters. 114:117-123
The dependence of the threshold fluence for surface ablation of such crystalline materials as silicon and diamond (with orientations (001) and (111)) on the direction of linear polarization of ultrashort pulses of different duration (0.3–3.3 ps) wi
Publikováno v:
Optics and Spectroscopy. 128:924-927
The possibility of replication of high-frequency diffraction gratings obtained in a photoresist layer to glass substrates using polymer compositions (OKM and Technovit) is shown and their comparative analysis is carried out. The replication mechanism
Publikováno v:
Optics and Spectroscopy. 128:1036-1040
In various fields of photonics, there is a tendency to pass from elements of physical optics to elements of flat optics, primarily, due to a decrease in the dimensions of instruments and devices. Most frequently, spatial light modulators are used to
Autor:
Pavel Danilov, G. K. Krasin, A. O. Levchenko, M. S. Kovalev, Nikita Smirnov, Sergey I. Kudryashov
Publikováno v:
The European Physical Journal D. 75
A correction to this paper has been published: 10.1140/epjd/s10053-021-00234-0
Autor:
M. S. Kovalev, G. K. Krasin, A. O. Levchenko, Sergey I. Kudryashov, Pavel Danilov, Nikita Smirnov
Publikováno v:
The European Physical Journal D. 75
Abstract The article discusses the implementation of ultrafast broadband excitation of A-band luminescence of natural diamond by femtosecond-laser pulses with low-energy near-IR photons. Such regime provides A-band luminescence yield with the fourth-
Autor:
Iliya Gritsenko, N. G. Stsepuro, P. A. Ruchka, Sergey B. Odinokov, G. K. Krasin, M. S. Kovalev, Nina M. Verenikina, E. Yu. Zlokazov
Publikováno v:
Optics and Spectroscopy. 127:618-624
An algorithm that automatically calculates aberrations in the holographic wavefront sensor scheme previously proposed by the authors is described, which enables measuring aberrations by means of iterative generation of holograms on a phase spatial li
Publikováno v:
Optical Memory and Neural Networks. 28:252-261
Data encryption is becoming increasingly relevant with the development of digital technologies. A particularly promising direction is the development of encryption methods based on optical transformations. Fractional Fourier Transform is a well-known
Publikováno v:
Photonics, Vol 8, Iss 177, p 177 (2021)
Photonics
Volume 8
Issue 6
Photonics
Volume 8
Issue 6
Recently the transport-of-intensity equation as a phase imaging method turned out as an effective microscopy method that does not require the use of high-resolution optical systems and a priori information about the object. In this paper we propose a
Publikováno v:
Holography: Advances and Modern Trends VII.
A holographic wavefront sensor based on a spatial light modulator (SLM) for displaying computer-generated holograms (CGH) is a flexible and simple method for analyzing the wavefront. This article discusses an algorithm for the synthesis of holographi
Autor:
I V Gritsenko, M S Kovalev, N G Stsepuro, Yu S Gulina, G K Krasin, S A Gonchukov, S I Kudryashov
Publikováno v:
Laser Physics Letters. 19:076201
A development of a method for measuring the refractive index of optical media based on the transport-of-intensity equation (TIE) is proposed. The method requires only a complementary metal-oxide semiconductor (CMOS) camera, which registers intensity