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Динамический интерферометр на основе фоторефрактивного кристалла Sn2P2S6 модифицированного диффузией Cu

Динамический интерферометр на основе фоторефрактивного кристалла Sn2P2S6 модифицированного диффузией Cu

Abstract

Introduction: The photorefractive parameters of the Sn2P2S6 single crystals modified by different ways (doping, post-growth treatment) permit to realize the dynamic interferometers. A specific interest represent the samples with strong compensation process. Purpose: This article is devoted to consideration of usage of the Sn2P2S6 crystal modi­fied by an indiffusion of the Cu atoms as an active element of the dynamic interfe­rometer, and analyzing of its frequency parameters.Results: The diffusion-modified Sn2P2S6 sample demonstrates an increased com­pen­sation of the photorefractive gratings that manifests itself in the complex dyna­mics of the stationary energy transfer. This peculiarity is also observed in the frequency spectra mea­sured at the phase modulation of the interacting beams. These frequency spectra of the first and second harmonics, as well as the corresponding stationary component, are obtained and analysed.Conclusion: The dynamic interferometer on the basis of the Cu-doped Sn2P2S6 with strong gain compensation allows to construct the band-pass frequency filters, and also to study the two-wave mixing gain spectrum using frequency-modulation technique. 

На основе фоторефрактивных параметров модифицированных термодиффузией атомов меди монокристаллов Sn2P2S6реализован двухлучевой динамический интерферометр. Показано, что частотный спектр коэффициента голографического усиления в данных кристаллах имеет максимум в результате процессов компенсации. Получены частотные характеристики такого интерферометра.

На основі фоторефрактивних параметрів модифікованих термодифузією атомів міді монокристалів Sn2P2S6реалізовано двопроменевий динамічний інтерферо­метр. Показано, що частотний спектр коефіцієнта голографічного підсилення в даних кристалах має максимум внаслідок процесів компенсацї. Одержано частотні характеристики такого інтерферометра.

Keywords

Динамический интерферометр; Фоторефрактивный эффект; Двухволновое взаимодействие; Фазовая модуляция; Тиогиподифосфат олова, 537.41, Динамічний інтерферометр; Фоторефрактивний ефект; Двохвильова взаємодія; Фазова модуляція; Тіогіподифосфат олова, Dynamic interferometer; Photorefractive effect; Two-wave mixing; Phase modulation; Tin thiohypodiphosphate

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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