Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Nailya Makenova"'
Publikováno v:
Photonics, Vol 9, Iss 5, p 285 (2022)
This article addresses two issues. Firstly, it was shown that if the initial phase of a Gaussian beam is specified by the sum of Zernike polynomials or by a screen simulating atmospheric turbulence, in the process of propagation, singular points appe
Externí odkaz:
https://doaj.org/article/f220a2a3a910415fa8ee5e94c74e0e63
Publikováno v:
Optika atmosfery i okeana. 34:716-725
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4fa812712757e98a2ec10f490d84d248
https://doi.org/10.15372/aoo20210908
https://doi.org/10.15372/aoo20210908
Autor:
Victor V. Nosov, P. A. Konyaev, L. A. Bolbasova, Vladimir P. Lukin, Nailya Makenova, O. N. Emaleev, L. V. Antoshkin, A. V. Torgaev, F. Yu. Kanev, E. A. Kopylov, V. V. Lavrinov, N. N. Botygina, E. V. Nosov, L. N. Lavrinova
Publikováno v:
Atmospheric and Oceanic Optics. 33:85-103
A survey of the development of adaptive optics, its methods, and tools for the elimination of irregular distortions appearing in the process of light propagation in an inhomogeneous medium is presented. Many ideas developed in recent years were put f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a547cbebed66d4ec62a4a861dd3ff7b
https://doi.org/10.1134/s1024856020010078
https://doi.org/10.1134/s1024856020010078
Publikováno v:
Atmospheric and oceanic optics. 2018. Vol. 31, № 3. P. 238-242
Results of the simulation of multichannel radiation propagation under conditions of thermal blooming are presented. The correction of nonlinear thermal distortion by means of the beam phase and amplitudephase control is considered. The results show t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b82772aade495783d5d8adb5727d8a26
https://doi.org/10.1134/s1024856018030077
https://doi.org/10.1134/s1024856018030077
Publikováno v:
Optoelectronics, Instrumentation and Data Processing. 51:568-572
This paper presents the results of modeling the propagation of multichannel radiation under free diffraction conditions and discusses features inherent in this type of beams under these conditions. In addition, the effect of distortions arising in a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::434013960c2d31f64090d70fd58fb78f
https://doi.org/10.3103/s8756699015060060
https://doi.org/10.3103/s8756699015060060
Autor:
Valerii A Tartakovskii, Viktor A. Sennikov, Nailya Makenova, P. A. Konyaev, Fedor Yu Kanev, Vladimir P. Lukin
Publikováno v:
Quantum Electronics. 34:825-832
Phase and amplitude — phase corrections of laser beam distortions during their propagation in a turbulent atmosphere under conditions of strong intensity fluctuations are compared. The effect of wavefront dislocations and the possibility of control
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::24655782dd71760ff043c99b17824a45
https://doi.org/10.1070/qe2004v034n09abeh002661
https://doi.org/10.1070/qe2004v034n09abeh002661
Publikováno v:
SPIE Proceedings.
In the present paper efficiency of adaptive correction is analyzed in the turbulent atmosphere and under the conditions of thermal blooming. A numerical model of a typical adaptive optics system was developed to carry out the investigations. As it is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0396e3d29252c91a7b369188b4c80b3
https://doi.org/10.1117/12.695999
https://doi.org/10.1117/12.695999
Publikováno v:
SPIE Proceedings.
A numerical model of a typical adaptive optics system is described in the report. The developed computer application corresponding to the model includes all the main elements of a real system, namely, computer codes simulating radiation propagation i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68683319efc51f589e8b8fdb012a7c1c
https://doi.org/10.1117/12.669281
https://doi.org/10.1117/12.669281
Publikováno v:
SPIE Proceedings.
There are exists several sources of errors in an adaptive optics system. The main source associated with the violation of the optical reciprocity principle in algorithm of phase conjugation, namely, with substitute of beacon amplitudedistribution by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0053130b67e23fdbe833607dffb3982d
https://doi.org/10.1117/12.565893
https://doi.org/10.1117/12.565893
Publikováno v:
Advancements in Adaptive Optics.
This paper considers the problem of forming a preset surface of a segmented mirror of a telescope. An iteration algorithm based on analysis of the interference pattern of the radiation reflected from the mirror is used for phasing the mirror segments
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0759cff81ee606aaa4b9430758e9fbd1
https://doi.org/10.1117/12.552973
https://doi.org/10.1117/12.552973