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首页> 外文会议>Conference on Optics of Crystals Sep 26-30, 2000, Mozyr, Belarus >Electrooptical properties of multilayer crystalline heterostructures
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Electrooptical properties of multilayer crystalline heterostructures

机译：多层晶体异质结构的电光特性

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The study of multilayer heterostructures is of great interest for the development of materials with new properties. This objective can be achieved by means of crystal combination, which have necessary characteristics. When the length of electromagnetic waves is over the superlattice period, dispersion of vibrations propagating in the heterostructures is insensitive to the phenomenon at the layer boundary and, therefore, superlattice may be considered as homogeneous crystalline medium which characterizes by the set of effective parameters. The expression, which helps to define the effective tensor of dielectric permeability of the multilayer medium disturbed by the electric field of low frequency, has been found. By this, we considered the superlattice formed by crystalline layers of arbitrary symmetry. The properties of multilayer heterostructure have been analyzed at different configurations of electrooptical interaction. The possibility of creating of heterostructures with higher electrooptical efficiency as compared with its forming crystal components has been theoretically approved. The conditions of realization of superlattices, which are insensitive to the value of external electric field, on the basis of electrooptical crystals, have been found.
机译：多层异质结构的研究对于开发具有新性能的材料非常感兴趣。该目的可以通过具有必要特性的晶体组合来实现。当电磁波的长度超过超晶格周期时，异质结构中传播的振动的弥散对层边界处的现象不敏感，因此，超晶格可被视为均质结晶介质，其特征在于有效参数集。已经找到了该表达式，该表达式有助于定义受到低频电场干扰的多层介质的介电渗透率的有效张量。由此，我们考虑了由任意对称的晶体层形成的超晶格。多层异质结构的性质已在不同的电光相互作用配置下进行了分析。与形成晶体的组分相比，可以形成具有更高电光效率的异质结构的可能性。已经找到了基于电光晶体实现对外部电场的值不敏感的超晶格的条件。

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