电光效应

Fully regarded the piezoelectric effect, the electrooptic effect caused by the applied electric field and based on the equation of diffraction efficiency and Bragg condition, the of between the applied electric field, the writing beam ratio with respect to the writing angles are analyzed.

全面考虑了电场作用下晶体的压电和电光效应，基于衍射效率公式和光栅的布拉格条件，给出了为获得最佳衍射效率比时外加电场及写入光束比与记录角度间的关系曲线。

Considering both the phenomena of double refraction and internal double reflection, and the electro-optic effect in a crystal, all elements of n×n crossbar network are integrated in one birefringent crystal slab with electro-optic property.

通过综合考虑晶体的双折射和全内双反射现象，以及晶体的电光效应，将构成n×n纵横开关网络的所有单元器件都集成到一块具有电光效应的双折射晶体上。

In this dissertation, the optical implementations of integrated bypass-exchange switches and interconnection networks are investigated as the followings:(1) An electro-optic bypass-exchange switch integrated in a single substrate of birefringent crystal is proposed, which is polarization based, and consists of two beam splitters based on the phenomena of double refraction and inner double reflection and in-between an electro-optic modulator based on the electro-optic effect of crystal.

鉴于此，本论文从网络集成包装的角度出发，研究bypass-exchange开关和互连网络的光学实现，主要内容包括：(1)利用单轴晶体的双折射双反射原理和晶体的电光效应，设计了一种新颖的单块晶体集成的电光偏振控制型bypass-exchange光开关，将一个电光偏振控制型bypass-exchange光开关所必需的器件（两个光束分束器和一个电光调制器）集成在一块晶体上。

Ferroelectric material is a kind of functional material, besides its ferroelectricity, it has many special properties such as high dielectric permittivity, piezoelectricity, pyroelectricity, electrooptics and so on, and can be utilized in various devices such as High-K material in capacitors, acoustic wave devices, piezoelectric sensors, MEMs, thermal detector and electroopic devices. Therefore research and development effort in ferroelectric materials and devices have now hit a feverish pitch.

铁电材料是一种功能材料，它不仅具备铁电特性，而且具有高介电常数、压电效应、热释电效应、电光效应等特殊性质，可以应用于High-K介质材料、声学探测器、压电传感器件、微机械系统领域、热电探测器、铁电光阀显示器等等；因此，铁电体以其独特的物理、化学性质越来越引起人们对其技术应用的重视。

Flexoelectric effect on electro-optical characteristics of a nematic liquid crystal cell is investigated.

研究挠曲电效应对向列相液晶盒电光效应的影响。

By the utilization of the symmetric characteristic of the tensor, algebra relation between the elements in the tensor and refraction index ellipsoid equation, an approach base on Attenuated-total-reflection technology was proposed for the measurement of the QEO coefficient of the organic polymer.

有机聚合物材料的二次电光系数是衡量其二次电光效应的一个重要参数，其可以用一个6×6阶的张量来表示。利用该张量的对称特性、各个元素之间的已知关系以及折射率椭球公式，本文提出了一种基于衰减全反射技术的测量有机聚合物二次电光系数的方法。

The electrooptic effect of LiNbO_3 crystal is analyzed,based on which a modulator used in space polarization encoding system is designed.

对铌酸锂晶体的电光效应进行了理论分析，在此基础上设计了基于普科尔效应的空间偏振编码调制器。

The new wave coupling theory of linear electrooptic effect is used to study the thermal property of an electrooptic modulator made from biaxial crystal KTP.

运用新的线性电光效应的耦合波理论，对双轴晶体KTP电光调制器的温度特性进行了理论研究。

The electrooptic effect of the optical active crystals is studied in the experimental set of polarized light interference.

研究了旋光晶体在偏光干涉实验中的电光效应，给出了旋光晶体在偏光干涉实验中出射光强与晶体旋光性之间关系的表达式I =A20 cos2 β-l ，以及与旋光晶体电光效应之间关系的表达式I =A20 cos2 β-l+(n2 -n1)l 。

ABSTRACT Lithium niobate, an excellent man-grown crystal, has many classical properties for both research and applications, such as electro-optic, acousto-optic, Thermal-optic, Piezoelectric and Photorefractive effects.

铌酸锂晶体是一种优良的人工晶体，它具有很多重要的性质如经典的电光效应、声光效应、热电效应、压电效应、弹光效应、光折变效应等等，而且在这些方面几乎都有很重要的应用。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。