Zobrazeno 1 - 10
of 51
pro vyhledávání: '"N V Kukhtarev"'
Autor:
N. V. Kukhtarev, Michael J. Curley, C. C. Smith, Sergey S. Sarkisov, Grigory Adamovsky, L. E. Moore, Aisha Fields
Publikováno v:
Applied Physics Letters. 79:901-903
Surface gratings associated with holographic volume gratings in photorefractive crystals of iron-doped lithium niobate have been studied using diffraction of a reflected probe beam and high-resolution phase-shifted interferometric profilometry. Both
Publikováno v:
Optics letters. 15(4)
Several groups have studied photorefractive two-beam coupling in cubic crystals of symmetry group 4¯3m, including GaAs1-7 and InP.7-11 In these experiments, the grating vector q→ usually was along the [11¯0] or [001] crystal axis, the "canonical"
Publikováno v:
Optics letters. 14(14)
Optical-activity-supported energy transfer is explained, and a transfer of 4% is observed in bismuth silicon oxide with same-frequency equal-intensity beams having the same circular polarization. The direction of energy exchange can be controlled by
Autor:
Stanislav M. Shandarov, Yu. F. Kargin, V. V. Shepelevich, T. I. Semenets, V. I. Volkov, A. V. Privalko, N. V. Kukhtarev
Publikováno v:
Soviet Journal of Quantum Electronics. 21:1122-1125
Theoretical and experimental investigations were made of the orientational dependence of energy exchange in the case of a two-wave interaction in a cubic photorefractive crystal of Bi12SiO20. It was found that in the case of noncentrosymmetric crysta
Publikováno v:
Soviet Journal of Quantum Electronics. 21:866-869
Theoretical and experimental investigations are reported of polarization phase conjugation in a photorefractive LiNbO3 crystal. It is shown that the photogalvanic mechanism of hologram formation by orthogonally polarized beams can ensure complete res
Publikováno v:
Ferroelectrics Letters Section. 13:29-35
We present a theory of the influence of photoelasticity and optical activity on the two-beam coupling in cubic photorefractive crystals rotated around the [110] axis. The two beam coupling experiments in BTO fit the theory closely for both linearly p
Publikováno v:
Optics Communications. 76:21-24
A new mechanism based on the electrogyratory effect for degenerate two-wave mixing has been for the first time realized in photorafractive Bi 12 TiO 20 (BTO). A ruby laser generating pulses of 15 ns duration served as a source for recording radiation
Autor:
Z N Smereka, T. I. Semenets, V. I. Volkov, N. V. Kukhtarev, A A Borshch, M S Brodin, O. M. Burin
Publikováno v:
Soviet Journal of Quantum Electronics. 20:837-839
Theoretical and experimental investigations were made of a photorefractive nonlinearity of CdTe semiconductor crystals. Photorefractive gratings were formed in undoped CdTe and used to provide efficient energy exchange between nanosecond pulsed light
Publikováno v:
Advances in Photorefractive Materials, Effects and Devices.
We report enhancement of the contrast of holographic grating with respect to modulation of interference pattern. This phenomenon is associated with the contribution of a strong photogalvanic (photovoltaic) current into a charge transport mechanism in
Publikováno v:
Kukhtarev, N, Buchhave, P & Lyuksyutov, S 1997, ' Optical and electric properties of dynamic holographic gratings with arbitrary contrast ', Physical Review A, vol. 55, no. 4, pp. 3133-3136 . https://doi.org/10.1103/PhysRevA.55.3133
An analytical solution of the photoconductive material equations for dynamic holographic gratings of arbitrary contrast has been obtained. A method of measuring high-contrast correlation functions has been suggested and tested experimentally. Good ag
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https://orbit.dtu.dk/en/publications/b578b1e2-6db7-414f-b7ba-fe1d0f89b73e
https://orbit.dtu.dk/en/publications/b578b1e2-6db7-414f-b7ba-fe1d0f89b73e