Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Alexander G. Poleshchuk"'
Publikováno v:
Optoelectronics, Instrumentation and Data Processing. 54:139-145
Results of the development and testing of a device for detecting and analyzing the diffraction pattern of computer-generated holograms are reported. It is demonstrated that this device allows characterization of the diffraction pattern of radiation r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2dde0dc137f77454181cc438a69774d4
https://doi.org/10.3103/s8756699018020048
https://doi.org/10.3103/s8756699018020048
Laser Technologies in Micro-Optics. Part 2. Fabrication of Elements with a Three-Dimensional Profile
Publikováno v:
Optoelectronics, Instrumentation and Data Processing. 54:113-126
Recent research in the field of formation of a 3D profile of optical elements with the use of direct laser writing at various wavelengths and photolithographic technologies on the basis of photomasks fabricated by means of laser writing is reviewed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::445db2cc48191d5fb9be0122d358f3a3
https://doi.org/10.3103/s8756699018020012
https://doi.org/10.3103/s8756699018020012
Publikováno v:
Optics Communications. 407:217-226
A method is proposed for efficient, rotationally symmetric, tight mirror focusing of laser beams that is optimally matched to their thin-film linear-to-radial polarization conversion by a constant near-Brewster angle of incidence of the beams onto a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e80f396285d17a48ef9dd0a3d1f7fbc
https://doi.org/10.1016/j.optcom.2017.09.042
https://doi.org/10.1016/j.optcom.2017.09.042
Autor:
Vadim V. Cherkashin, K. A. Ivanova, Alexander G. Poleshchuk, V. I. Trunov, K. V. Gubin, Andrey G. Sedukhin
Publikováno v:
Optoelectronics, Instrumentation and Data Processing. 54:19-25
Results of an experimental study of the density distribution in a small-size (1–2 mm in diameter) supersonic gas jet in vacuum are reported. The measurements are performed by the developed Shack–Hartmann wavefront sensor, which consists of a micr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a9b24f278ad312cbc281c1c1070c004
https://doi.org/10.3103/s8756699018010041
https://doi.org/10.3103/s8756699018010041
Publikováno v:
Optoelectronics, Instrumentation and Data Processing. 53:474-483
This paper is a review of studies carried out by the staff of the National Research University of Information Technologies, Mechanics and Optics (ITMO University, Saint-Petersburg) and the Institute of Automation and Electrometry of the Siberian Bran
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed3ee5b971482eb9dadb20c608a322ec
https://doi.org/10.3103/s8756699017050077
https://doi.org/10.3103/s8756699017050077
Publikováno v:
Optoelectronics, Instrumentation and Data Processing. 53:517-523
This paper describes the development and manufacture of diffraction corrector and imitator for the interferometric control of the surface shape of the 6-m main mirror of the Big Azimuthal Telescope of the Russian Academy of Sciences. The effect of er
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d48b007b2c3d2ee79342ca0f04296934
https://doi.org/10.3103/s8756699017050119
https://doi.org/10.3103/s8756699017050119
Publikováno v:
Optoelectronics, Instrumentation and Data Processing. 53:524-529
This paper describes the interferometric method for controlling the assembly quality of a three-lens unit of an optical system of a decentered nine-component optical system of an aircraft helmet wide-angle display collimator. It is shown that this al
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::457f1fe025e4b8411debc9ab1f071931
https://doi.org/10.3103/s8756699017050120
https://doi.org/10.3103/s8756699017050120
Publikováno v:
Optoelectronics, Instrumentation and Data Processing. 53:255-263
This paper presents a method of improving the accuracy of a circular laser system in fabrication of large-diameter diffractive optical elements by means of a polar coordinate system and the results of their use. An algorithm for correcting positionin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d8e1f94eba85d72ceaf8e601d77eff8
https://doi.org/10.3103/s8756699017030098
https://doi.org/10.3103/s8756699017030098
Publikováno v:
Optoelectronics, Instrumentation and Data Processing. 53:123-130
A method is developed to ensure precise alignment of the origin of a polar coordinate system in which the laser beam position is defined in writing diffractive optical elements with the optical workpiece rotation axis. This method is used to improve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::086f3617405677f59fd456d8ef9a9c53
https://doi.org/10.3103/s8756699017020030
https://doi.org/10.3103/s8756699017020030
Publikováno v:
Computer Optics. 40:625-628
We present a new approach for testing cylindrical optical surfaces using a Null-test. We suggest using a Computer Generated Hologram (CGH) in combination with a Transmission Sphere. It is shown that in such an optical layout the period of the diffrac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::09e73bce9c7afe66c511572cdf15d8ea
https://doi.org/10.18287/2412-6179-2016-40-5-625-628
https://doi.org/10.18287/2412-6179-2016-40-5-625-628