Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Sergei V. Karpeev"'
Publikováno v:
Optical Technologies for Telecommunications 2020.
The problem with existing flow meters is a relatively high measurement error, which is associated with a lack of information on the flow profile. In order to create a reference device that makes it possible to study the flow profile due to a larger n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6775c8703bbdca14d0da7065e9502f2
https://doi.org/10.1117/12.2593035
https://doi.org/10.1117/12.2593035
Publikováno v:
2020 International Conference on Information Technology and Nanotechnology (ITNT).
An optical scheme of an interference shaper for polarization-inhomogeneous laser beams is presented. The principle of operation of which is the combined use of an interferometer and an electro-optical light modulator. The advantage of such a shaper i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cddf1c3cc86d2fa01970b167fb873e99
https://doi.org/10.1109/itnt49337.2020.9253170
https://doi.org/10.1109/itnt49337.2020.9253170
Autor:
A. S. Reshetnikov, Svetlana N. Khonina, Vladimir V. Podlipnov, Sergei V. Karpeev, Vyacheslav D. Paranin
Publikováno v:
Компьютерная оптика, Vol 42, Iss 3, Pp 401-407 (2018)
A new approach to the implementation of sectorial plates for beam polarization conversion is proposed. Using a newly developed etching technology, a four-sector polarization converter integrated into a calcite crystal is implemented. A four-sector po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2211fa44289f15287ec1b959c3150e3f
http://computeroptics.smr.ru/KO/PDF/KO42-3/420308.pdf
http://computeroptics.smr.ru/KO/PDF/KO42-3/420308.pdf
Publikováno v:
Physics Letters A. 381:2444-2455
We report the development of an optical system based on diffractive optical elements and uniaxial crystals to produce radially and azimuthally polarized beams, including beams of higher orders. The conditions for the generation of beams with differen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a017bd9412c02f65c04e9043ebb6f21
https://doi.org/10.1016/j.physleta.2017.05.025
https://doi.org/10.1016/j.physleta.2017.05.025
Publikováno v:
Computer Optics. 40:685-688
A tunable diffraction grating based on an electrooptic X-cut lithium niobate crystal has been manufactured and experimentally analyzed. The period of electrodes is 290 μm, the electrode width is 117.5 μm, and the thickness of an electrode is 150
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cce18d91a0d6eb08b7621bccf8335c0f
https://doi.org/10.18287/2412-6179-2016-40-5-685-688
https://doi.org/10.18287/2412-6179-2016-40-5-685-688
Publikováno v:
Computer Optics. 39:492-499
The calculation and simulation of an interference polarizer to generate radially polarized light are conducted. The method is based on the conversion of a conical wavefront as it passes through the interference polarizer. A multilayer optical coating
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::086552cd55e7cc600a8e2e2102df9319
https://doi.org/10.18287/0134-2452-2015-39-4-492-499
https://doi.org/10.18287/0134-2452-2015-39-4-492-499
Publikováno v:
Collection of selected papers of the II International Conference on Information Technology and Nanotechnology.
It is offered to operate the transmittance of a diffraction mask by changing the interference properties of a thin optical layer. Based on the results of the offered approach the amplitude-phase diffraction grating with the period of 300 microns has
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b7f249efcf0ba3cd45ddceb5066c2467
https://doi.org/10.18287/1613-0073-2016-1638-95-102
https://doi.org/10.18287/1613-0073-2016-1638-95-102
Publikováno v:
Collection of selected papers of the II International Conference on Information Technology and Nanotechnology.
The paper presents a feasibility study for an optical system, based on a diffractive membrane. The authors have analyzed structural design of diffractive optical elements for space application and developed finite element models of diffractive lens
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8d81587bc3b3135676ce5b09c61ebbc
https://doi.org/10.18287/1613-0073-2016-1638-132-148
https://doi.org/10.18287/1613-0073-2016-1638-132-148
Autor:
K. N. Tukmakov, Vladimir V. Podlipnov, Vyacheslav D. Paranin, Svetlana N. Khonina, Sergei V. Karpeev
Publikováno v:
Optical Engineering. 58:1
An approach is proposed to implement diffractive optical elements for the conversion of the polarization state of beams. Calcite crystal etching technology is developed and applied to manufacture a four-sector polarization converter. The fabricated f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af89b0e45b3c84b126b4b50e6445dffa
https://doi.org/10.1117/1.oe.58.8.082402
https://doi.org/10.1117/1.oe.58.8.082402
Generating inhomogeneously polarized higher-order laser beams by use of diffractive optical elements
Autor:
Sergei V. Karpeev, Svetlana N. Khonina
Publikováno v:
Journal of the Optical Society of America. A, Optics, image science, and vision. 28(10)
We propose an improved version of the earlier developed optical arrangement for generating inhomogeneously polarized laser light modes with the aid of a diffractive optical element (DOE) with carrier frequency. By eliminating lenses from the optical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1c8ce5ab06b9af70d7ca0975da70dc15
https://pubmed.ncbi.nlm.nih.gov/21979517
https://pubmed.ncbi.nlm.nih.gov/21979517