Výsledky vyhledávání - "A., Artyukov I."

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Wave packet in the phase problem in optics and ptychography

Autor: L., Popov N., A., Artyukov I., V., Vinogradov A., V. V, Protopopov

Ptychography currently seems the most natural and effective method of approaching the diffraction limit of optical resolution. Schematic diagram of a ptychography microscope does not contain refractive or focusing elements. It includes a source of co

Externí odkaz: http://arxiv.org/abs/1909.00365

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Numerical simulation of Ni-like Xe plasma dynamics and laser gain in a low inductivity capillary discharge

Autor: Kalinin, N. V., Feshchenko, R. M., Artyukov, I. A., Burtsev, V. A.

Publikováno v: Journal of Russian Laser Research, 41(4), 424-433 (2020)

X-ray lasers based on transitions in highly charged \textit{Ni}-like ions generating in the "water window" wavelength range can be pumped by compact laboratory discharge sources. This makes them promising candidates for use as compact coherent X-ray

Externí odkaz: http://arxiv.org/abs/1905.08844

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On inverse problem with phase retrieval for an inclined line in the parabolic approximation

Autor: Feshchenko, R. M., Artyukov, I. A., Vinogradov, A. V.

Publikováno v: Journal of Modern Optics, 68:9, 471-482 (2021)

The inverse problem of amplitude reconstruction on an inclined line based on the values of amplitude or its module as recorded on semi-infinite line orthogonal to the beam propagation direction is considered within the framework of 2D parabolic equat

Externí odkaz: http://arxiv.org/abs/1804.04718

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Propagation of waves from an arbitrary shaped surface -- a generalization of the Fresnel diffraction integral

Autor: Feshchenko, R M, Vinogradov, A V, Artyukov, I A

Publikováno v: Optics Communications 413 (2018): 291-294

Using the method of Laplace transform the field amplitude in the paraxial approximation is found in the two-dimensional free space using initial values of the amplitude specified on an arbitrary shaped monotonic curve. The obtained amplitude depends

Externí odkaz: http://arxiv.org/abs/1706.09173

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Influence of the electron beam emittance on the polarization of a laser--electron X-ray generator

Autor: Artyukov, I. A., Vinogradov, A. V., Feshchenko, R. M.

Publikováno v: Phys. Rev. Accel. Beams 19, 114702 (2016)

In this paper we analyze the polarization of the X-ray radiation coming from laser--electron X-ray generator (LEXG). We obtain general relations connecting the polarization state of outgoing X-ray radiation to the polarization state of laser beam as

Externí odkaz: http://arxiv.org/abs/1608.07106

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