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Photo-induced anisotropy in electro-optical crystals

机译：光电晶体中的光致各向异性

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Abstract: The results of theoretical and experimental studies carried out by the author on non-linear parameter transformation of light signals by a photorefractive effect in crystals are presented. The following items are considered: results of photoinduced variations of the natural eigenwaves refraction index and their polarization; formation processes of photo-charges stipulating the recording of polarizing - phase gratings due to longitudinal and transverse electrooptical effects; the operative transformation means of spatial-temporal characteristics of coherent beams; investigation results of non-stationary response providing the transformation of light beams carrying complex information in the time evolution process. Thus the main attention is focused on establishing a non-linear relationship between spatial properties of the photo-active light intensity in the image being recorded and optical anisotropy arising under the photo-charge effect.!36
机译：摘要：提出了作者通过晶体的光折变效应对光信号进行非线性参数转换的理论和实验研究结果。考虑以下各项：自然本征波折射率及其极化的光诱导变化的结果；光电荷的形成过程，由于纵向和横向电光效应，需要记录偏振相位光栅；相干光束的时空特性的有效变换手段；非平稳响应的研究结果提供了在时间演化过程中传输携带复杂信息的光束的转换。因此，主要注意力集中在建立要记录的图像中光敏光强度的空间特性与在光电荷效应下产生的光学各向异性之间的非线性关系。36

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