Zobrazeno 1 - 10
of 113
pro vyhledávání: '"Alexei L. Tolstik"'
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 22, Iss 6, Pp 1025-1030 (2022)
The formation of dynamic holograms in a photorefractive bismuth silicate crystal by nanosecond laser pulses with a change in the radiation wavelength is studied. An original scheme for recording holograms is proposed to preserve the grating period wh
Externí odkaz:
https://doaj.org/article/2f427770970a47b2afbed13e3fe790e7
Publikováno v:
Investigación & Desarrollo, Vol 1, Iss 8 (2009)
The schemes for recording and reading of dynamic holograms in conditions of nondegenerate four- and six-wave mixing in a nonlinear Fabry-Perot interferometer have been analyzed theoretically. It has been demonstrated that there is a possibility for a
Externí odkaz:
https://doaj.org/article/c6a5e40875754bae9f8aeba0274e459c
Publikováno v:
Journal of the Belarusian State University. Physics. :14-19
We report on experimental realisation of polarisation dynamic gratings recording in pure nematic liquid crystal. This work is devoted to the experimental implementation of writing polarisation dynamic gratings in a pure nematic liquid crystal. The re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e789f4d01c2f2dfaff39f6d9c952830
https://doi.org/10.33581/2520-2243-2022-1-14-19
https://doi.org/10.33581/2520-2243-2022-1-14-19
Autor:
E. A. Melnikova, Mikhail S. Iovu, Ihar V. Stashkevitch, Andrian M. Nastas, Ilya V. Gavrusenok, Alexei L. Tolstik, I. N. Agishev
Publikováno v:
Journal of the Belarusian State University. Physics. :4-11
The paper presents a study of the formation of holographic diffraction gratings in thin films of chalcogenide glassy semiconductors. The recording process of holographic gratings at the argon-laser radiation wave length 488 nm and the process of chem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d50db0d56ce02e98584d9a929d313b1c
https://doi.org/10.33581/2520-2243-2021-3-4-11
https://doi.org/10.33581/2520-2243-2021-3-4-11
Autor:
E. Achimova, D. V. Gorbach, C. Losmanschi, Alexei L. Tolstik, A. Meshalkin, S. S. Slusarenko, I. I. Rushnova, O. S. Kabanova, E. A. Melnikova
Publikováno v:
Nonlinear Phenomena in Complex Systems. 24:104-111
The energy and spectral conditions for single-stage holographic recording of a diffraction optical element based on the carbazole-containing azo polymer, that forms singular light beams (optical vortices), have been established. With the atomic-force
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d79e36eb5533e0e786816b3d206fa085
https://doi.org/10.33581/1561-4085-2021-24-2-104-111
https://doi.org/10.33581/1561-4085-2021-24-2-104-111
Publikováno v:
Optics and Spectroscopy. 128:1401-1406
The dynamics of photoinduced absorption and holographic-grating recording in photorefractive crystals of bismuth silicate is studied. It is shown that, with the use of nanosecond laser pulses and of the intensity on the order of 1 MW/cm2 or higher, t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2019cfa616441755cdc47a4261982a3
https://doi.org/10.1134/s0030400x20090052
https://doi.org/10.1134/s0030400x20090052
Publikováno v:
Optics and Spectroscopy. 128:231-235
The effect that corona discharge has on holographic recording of diffraction gratings in a thin-film Cu−As2Se3 structure deposited on glass by thermal vacuum evaporation is studied. The use of negative corona discharge during holographic recording
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b286b07332fbad06be4fea43d1221364
https://doi.org/10.1134/s0030400x20020174
https://doi.org/10.1134/s0030400x20020174
Autor:
E. A. Melnikova, Iryna I. Rushnova, Alexander Muravsky, Rainer Heintzmann, Alexei L. Tolstik, O. S. Kabanova, Anatoli Murauski
Publikováno v:
Journal of the Belarusian State University. Physics. :4-11
This paper is devoted to the investigation of the diffraction characteristics of a multilayer optical structure, represented by a two-dimensional phase lattice formed in thin-film layers of nematic polymerizable liquid crystal (PLC). In order to gene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8610ceab91b83a7dc0550e6b19d7571c
https://doi.org/10.33581/2520-2243-2019-3-4-11
https://doi.org/10.33581/2520-2243-2019-3-4-11
Publikováno v:
Applied optics. 59(34)
We report on the electrically tunable optical structure based on dual-domain nematic liquid crystal (LC) alignment for in-plane beam steering applications. The device operates due to the total internal reflection of an extraordinary beam at the LC re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5195176b9d1d77f36789c754846671a9
https://pubmed.ncbi.nlm.nih.gov/33361888
https://pubmed.ncbi.nlm.nih.gov/33361888
Publikováno v:
2020 International Conference Laser Optics (ICLO).
The paper presents low-voltage liquid crystal (LC) structures based on dual- and multi-domain nematics alignment for in-plane beam steering applications. The devices operation principle is based on total internal reflection (TIR) of an extraordinary
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b0dbe59c3a09b31fb2b621ef22de9913
https://doi.org/10.1109/iclo48556.2020.9285635
https://doi.org/10.1109/iclo48556.2020.9285635