Zobrazeno 1 - 10
of 90
pro vyhledávání: '"Alexey Rukosuev"'
Autor:
Vladimir Toporovsky, Alexis Kudryashov, Arkadiy Skvortsov, Alexey Rukosuev, Vadim Samarkin, Ilya Galaktionov
Publikováno v:
Photonics, Vol 9, Iss 5, p 321 (2022)
In this work, two advanced technologies were applied for manufacturing a bimorph wavefront corrector: laser ablation, to vaporize conductive silver coating from piezoceramic surface, and parallel-gap resistance microwelding, to provide a reliable ele
Externí odkaz:
https://doaj.org/article/12cd323213e941988c9e6d708a33d641
Publikováno v:
Photonics, Vol 9, Iss 5, p 351 (2022)
This paper presents a FPGA-based closed-loop adaptive optical system with a bimorph deformable mirror for correction of the phase perturbation caused by artificial turbulence. The system’s operating frequency of about 2000 Hz is, in many cases, suf
Externí odkaz:
https://doaj.org/article/651470295c4143468783846c8a762d0e
Autor:
Valentina Klochkova, Julia Sheldakova, Ilya Galaktionov, Alexander Nikitin, Alexis Kudryashov, Vadim Belousov, Alexey Rukosuev
Publikováno v:
Photonics, Vol 9, Iss 5, p 322 (2022)
The low-frequency component of the distortions caused by both the atmospheric turbulence and the behavior of the telescope itself has been studied. A corrector for the position of the center of the star image has been developed and is being used in f
Externí odkaz:
https://doaj.org/article/ae33b0b058084092a087659da3aefd47
Autor:
Vadim Samarkin, Alexander Alexandrov, Ilya Galaktionov, Alexis Kudryashov, Alexander Nikitin, Alexey Rukosuev, Vladimir Toporovsky, Julia Sheldakova
Publikováno v:
Applied Sciences, Vol 12, Iss 3, p 1144 (2022)
The bimorph deformable mirror with a diameter of 320 mm, including 127 control electrodes, has been developed and tested. The flatness of the initial mirror surface of about 1 μm (P-V) was achieved by mechanically adjusting the mirror substrate fixe
Externí odkaz:
https://doaj.org/article/9e66e638df2a42c5a4ca4a8ce162b65e
Autor:
Alexey Rukosuev, Alexander Nikitin, Vadim Belousov, Julia Sheldakova, Vladimir Toporovsky, Alexis Kudryashov
Publikováno v:
Applied Sciences, Vol 11, Iss 24, p 12112 (2021)
The results of a study of the wavefront distortions of laser radiation caused by artificial turbulence obtained in laboratory conditions using a fan heater are presented. Decomposition of the wavefront in terms of Zernike polynomials is a standard pr
Externí odkaz:
https://doaj.org/article/85a5940d957149dabc7b4a33b07e30f8
Autor:
Alexey Rukosuev, Alexis Kudryashov, Alexander N. Nikitin, Yu. V. Sheldakova, M.V. Volkov, V.N. Belousov, R. A. Shnyagin, F. A. Starikov, Vladimir Bogachev, Sergey G Garanin
Publikováno v:
Quantum Electronics. 51:992-999
We report the results of the analysis of experiments on dynamic phase correction of laser radiation distorted by a turbulent airflow in an adaptive optical system (AOS) with a Shack–Hartmann wavefront sensor (WFS). A field-programmable gate array i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb514e94ba7da97e7602e32172eb7407
https://doi.org/10.1070/qel17641
https://doi.org/10.1070/qel17641
Autor:
Alexander N. Nikitin, Alexis Kudryashov, V. N. Belousov, Yu. V. Sheldakova, I. V. Sivertseva, Alexey Rukosuev
Publikováno v:
Izvestiya, Physics of the Solid Earth. 57:789-794
—Atmospheric turbulence has been simulated under laboratory conditions, where a household heat fan has been used as a source of air flows of different temperatures. The wavefront distortions of laser radiation passing through a heated air flow have
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::056802a6760d9fea06bc155df145b513
https://doi.org/10.1134/s1069351321050165
https://doi.org/10.1134/s1069351321050165
Autor:
Vladimir Toporovsky, Alexey Rukosuev, O. V. Otrubyannikova, Alexander N. Nikitin, Vadim Samarkin, Yu. V. Sheldakova, Alexis Kudryashov
Publikováno v:
Atmospheric and Oceanic Optics. 33:584-590
—A wavefront corrector has been designed in the form of a cooled stacked-actuator deformable mirror for the correction of aberrations of laser radiation propagating through the turbulent atmosphere. The main parameters of this mirror are theoretica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87ef076d3c71e0779d378e561136485d
https://doi.org/10.1134/s102485602006024x
https://doi.org/10.1134/s102485602006024x
Smart adaptive optical system for correcting the laser wavefront distorted by atmospheric turbulence
Autor:
Yu. V. Sheldakova, Sergey G Garanin, Alexey Rukosuev, V. A. Bogachev, M.V. Volkov, Alexander N. Nikitin, F. A. Starikov, V.N. Belousov, Alexis Kudryashov
Publikováno v:
Quantum Electronics. 50:707-709
An adaptive optical system is developed to correct the wavefront of laser radiation distorted by a turbulent air flow. The use of a field-programmable gate array as the main control element makes it possible to achieve a system bandwidth of 2 kHz. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45a3c34666295b67171d2a485313eb15
https://doi.org/10.1070/qel17382
https://doi.org/10.1070/qel17382
Autor:
Sergey G Garanin, Alexander N. Nikitin, Yulia Sheldakova, Vladimir Bogachev, Alexey Rukosuev, Vadim Belousov, Alexis Kudryashov, Michail Volkov, Fedor Starikov
Publikováno v:
Free-Space Laser Communications XXXIII.
The results of experiments conducted on a laboratory setup of a fast adaptive optical system based on the use of FPGA as the main control element and a bimorph mirror as a wavefront corrector are presented. The adaptive system bandwidth ranged from a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb49a2175770d9a2b86344d5d1df23dc
https://doi.org/10.1117/12.2578143
https://doi.org/10.1117/12.2578143