Zobrazeno 1 - 10
of 17
pro vyhledávání: '"B. A. Ignatenkov"'
Publikováno v:
Optics and Spectroscopy. 124:94-97
An algorithm for wavefront calculation of ordinary and extraordinary waves after propagation through hemispherical components made of a uniaxial crystal is developed. The influence of frequency dispersion of n о and n e , as well as change in the di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::968415e63fab60990d51e6765e7a9c51
https://doi.org/10.1134/s0030400x18010216
https://doi.org/10.1134/s0030400x18010216
Publikováno v:
Journal of Optical Technology. 88:270
Light propagation in a meniscus made of a crystal with a radially directed optical axis is considered under geometric optics approximation. A model of discrete refraction of an extraordinary ray in the meniscus is developed. Nonlinear propagation of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::954e0ca6a01e6e14c1910a0fc62ef83d
https://doi.org/10.1364/jot.88.000270
https://doi.org/10.1364/jot.88.000270
Publikováno v:
Optics and Spectroscopy. 118:324-327
Modification of leucosapphire properties by plastic deformation of a crystalline disk allows obtaining plates exhibiting variable tilt angle of the optical axis with respect to the surface. Such plates work as lenses for extraordinary rays. We invest
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3720aa46c2ffa3f1a2ba6f08f92b70b8
https://doi.org/10.1134/s0030400x15020204
https://doi.org/10.1134/s0030400x15020204
Autor:
B. A. Ignatenkov, V. N. Vetrov
Publikováno v:
Optics and Spectroscopy. 106:147-151
Formulas are derived for calculating the refractive index of an extraordinary ray for hemispherical shells fabricated from leucosapphire and its textured analog. These formulas make it possible to determine the local birefringence and the direction o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c166a74d0ddb1ad1fc242ec13e750766
https://doi.org/10.1134/s0030400x09010202
https://doi.org/10.1134/s0030400x09010202
Autor:
V. N. Vetrov, B. A. Ignatenkov
Publikováno v:
Optics and Spectroscopy. 115:125-127
Specific features of light refraction on the surface of plates of uniaxial crystals are considered. A method of calculating birefringence in the protection crystalline windows under oblique incidence is developed. The possibility of refracting on the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3dd1426781c60941ae162540138a4ab4
https://doi.org/10.1134/s0030400x13050238
https://doi.org/10.1134/s0030400x13050238
Autor:
V. N. Vetrov, B. A. Ignatenkov
Publikováno v:
Crystallography Reports. 58:474-476
The modification of sapphire by inhomogeneous plastic deformation makes it possible to obtain plates with a variable angle of inclination of the crystal optical axis to the plate surface. The refraction of light in this plate at perpendicular and obl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f3b765d56b08b9fc1e81235279161ea
https://doi.org/10.1134/s1063774513030279
https://doi.org/10.1134/s1063774513030279
Autor:
V. N. Vetrov, B. A. Ignatenkov
Publikováno v:
Optics and Spectroscopy. 112:145-147
Modification of leucosapphire by inhomogeneous plastic deformation makes it possible to obtain plates with a varying inclination angle of the optical axis of the crystal to the surface. We have considered the light refraction in a plate upon perpendi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3fcb722dd179d98cf6e24ae9082267c
https://doi.org/10.1134/s0030400x12010225
https://doi.org/10.1134/s0030400x12010225
Publikováno v:
Journal of Optical Technology. 83:127
Nanocrystalline powders of aluminum–magnesium spinel synthesized by the hydrolysis of Mg–Al double isopropylate have been studied, micrographs of the samples have been obtained, and x-ray phase analysis has been carried out. Hot uniaxial pressing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::752d39e735b932067447276301684af7
https://doi.org/10.1364/jot.83.000127
https://doi.org/10.1364/jot.83.000127
Publikováno v:
SPIE Proceedings.
Parameters of Raman eye-safe laser for serial range-finder are determining by request of range and pumping energy. The basic parameters of laser resonator are reflection coefficient of mirrors and residual reflection coefficient of active element (KG
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::137155a58a8f182eb6b2ae6492359b9d
https://doi.org/10.1117/12.888940
https://doi.org/10.1117/12.888940
Autor:
A. A. Dunaev, E. V. Gol’eva, V. S. Lebanin, B. A. Ignatenkov, M. D. Mikhaĭlov, V. N. Vetrov, D. V. Tolstikova
Publikováno v:
Journal of Optical Technology. 81:754
Nanocrystalline powders of magnesium aluminate spinel (MgAl2O4) have been produced, and their morphological and structural properties have been studied. A comparative analysis of spinel samples synthesized by different liquid-phase methods has been c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d07a952f76616466137595f54a6b460d
https://doi.org/10.1364/jot.81.000754
https://doi.org/10.1364/jot.81.000754