Zobrazeno 1 - 10
of 11
pro vyhledávání: '"S. F. Nichiporko"'
Publikováno v:
Technical Physics. 66:760-767
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca9e9ffa5df5d69aaf039e01b71e3b30
https://doi.org/10.1134/s1063784221050169
https://doi.org/10.1134/s1063784221050169
Publikováno v:
Technical Physics Letters. 39:1001-1003
Propagation of one-dimensional even dark beams in a cubic optically active photorefractive crystal of $$\left( {1\bar 10} \right)$$ cut has been investigated. The experimental data are compared with the results of numerical simulation. The formation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e3a484dd8311fcf7dcb2243dd4ada73
https://doi.org/10.1134/s1063785013110187
https://doi.org/10.1134/s1063785013110187
Autor:
A.E. Zagorskiy, Ekaterina Shamonina, Klaus H. Ringhofer, Yi Hu, S. F. Nichiporko, V. Ya. Gayvoronsky, V.V. Shepelevich, N. N. Egorov
Publikováno v:
Ferroelectrics. 266:305-333
The dependence of the diffraction efficiency of holograms and the effective gain of the signal wave on the polarization and orientation angles is investigated for two-wave mixing in transmission geometry in cubic (111)-cut photorefractive piezocrysta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9e78149861b5587540c5a63319394184
https://doi.org/10.1080/00150190211441
https://doi.org/10.1080/00150190211441
Publikováno v:
Russian Physics Journal. 44:1044-1049
The influence of the inverse piezoelectric effect on the effective permittivity, the Maxwellian relaxation time, and the space-charge field amplitude in cubic photorefractive crystals is examined. Analytical orientational dependences of the effective
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17151c4abba412d78b5cb11ec8035857
https://doi.org/10.1023/a:1015019426571
https://doi.org/10.1023/a:1015019426571
Autor:
N. N. Egorov, Klaus H. Ringhofer, V. P. Kamenov, V. Ya. Gayvoronsky, S. F. Nichiporko, Yi Hu, V.V. Shepelevich, Ekaterina Shamonina, A.E. Zagorskiy
Publikováno v:
Optics Communications. 180:183-190
Simple formulae for the two-wave mixing (TWM) gain and diffraction efficiency obtained in the approximation of weak coupling and strong optical activity allow us to tune the experimental setup for interferometric applications. We prove that two invar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1a406ba07033f1b35f4b8904f6c70c2
https://doi.org/10.1016/s0030-4018(00)00715-x
https://doi.org/10.1016/s0030-4018(00)00715-x
Publikováno v:
Technical Physics Letters. 29:757-759
Analytical expressions for the electric field strength in a signal wave formed during the interaction of opposite waves in a cubic photorefractive piezoelectric crystal are obtained in the given grating approximation. As a result of the optical activ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c47436049b42eb9c59eefea7cccc5be
https://doi.org/10.1134/1.1615557
https://doi.org/10.1134/1.1615557
Autor:
S. F. Nichiporko, V.V. Shepelevich, N. N. Egorov, Yi Hu, Ekaterina Shamonina, Klaus H. Ringhofer, A.E. Zagorskiy
Publikováno v:
Optical Materials. 18:131-133
The relative intensity dependence of a signal wave on the orientation angle between holographic grating vector and crystallographic axis [0 0 1] is experimentally found for the first time for fixed thickness of (1 1 0)-cut BTO crystal in the case of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e87b34151eb807d8402fbfa9d9cf320f
https://doi.org/10.1016/s0925-3467(01)00149-5
https://doi.org/10.1016/s0925-3467(01)00149-5
Autor:
Klaus H. Ringhofer, A. E. Zagorskii, Yi Hu, E. A. Shamonina, V.V. Shepelevich, S. F. Nichiporko
Publikováno v:
Technical Physics Letters. 26:112-114
The diffraction efficiency of the transmission holograms in the photorefractive (111)-cut crystals of the classes \(\bar 43m\) and 23 depends on the orientation of the lattice vector. This effect is determined by combined manifestation of the piezoel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84e977d14e46ac3a18a8a1a0b6e31565
https://doi.org/10.1134/1.1262759
https://doi.org/10.1134/1.1262759
Autor:
S. F. Nichiporko, N. N. Egorov, Klaus H. Ringhofer, A. E. Zagorskiy, Yi Hu, V.V. Shepelevich, Ekaterina Shamonina
Publikováno v:
Optics of Crystals.
On the base of the analytical solution of the couple differential equations system in the photorefractive piezocrystal with transmission holographic grating the optimization of the diffraction efficiency is conducted by choice of the crystal orientat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e90fe1227255a98a9c903a1aabda3738
https://doi.org/10.1117/12.418842
https://doi.org/10.1117/12.418842
Autor:
A.E. Zagorskiy, Ekaterina Shamonina, Klaus H. Ringhofer, N. N. Egorov, Yi Hu, V.V. Shepelevich, S. F. Nichiporko
Publikováno v:
Advances in Photorefractive Materials, Effects and Devices.
It is shown that the two-wave mixing gain in a cubic photorefractive optically active piezocrystal of (111)-cut depends essentially on choice of the crystal orientation and the light waves polarization. The conditions of gain optimization for the cry
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::243a603c51bae059b159c8705c67380f
https://doi.org/10.1364/apmed.1999.wmpc21
https://doi.org/10.1364/apmed.1999.wmpc21