双折射

The results are verified from deep to extremely shallow water conditions. The shoaling waves, standing waves, 3D disturbance waves, tidal waves and solitude waves are simulated and verified,and waves over an underwater bar,the diffraction near single breakwater, breakwater gap, offshore breakwater, Breakhoff experiment are taken into account in this model. Furthermore, the wave harbor resonance under special topography, and "Bragg" resonance are simulated. The wave refraction problem under current fields,the nonlinear wave refraction-diffraction under "Arthur" current field, and the wave propagation under slowly varying current field are studied. The favorable calibrations show the model's feasibility in dealing with the wave nonlinearity and simulation in both deep and shallow water.

论文对深水至极浅水非线性波进行了较全面的验证，计算模拟了波浪浅化、立波、三维干涉波、潮波、孤立波以及波浪越过潜堤、单突堤绕射、双突堤绕射、岛式堤、Berkhoff实验和多连通水域波浪传播等问题，还对特殊地形条件下波浪发生港湾共振、布拉格共振进行了仿真；论文研究了水流中波浪传播折射变形问题，Arthur流场上非线性折射-绕射、水位缓变的转向潮流中波浪传播等缓变水流中波浪问题，各类问题的较好解决验证和表明了本文模式与方法具有适用于深浅水的可计算性与非线性。

Birefringence crystal can not only be moved and pushed but also be rotated by the radiation pressure. Based on it, a motor which is drived by laser can be developed in future.

文中还对双折射晶体的旋转操作进行了初步的研究，在此基础上可望研制光致动微马达。

The waveguide was connected into a Sagnac fiber loop to measure output power under environment of different ethanol vapor volume fraction.

根据Sagnac环结构输出特性的基本关系，反映了溶胶-凝胶条波导在乙醇蒸气气氛下产生了双折射效应。

And the spot size on the stick is insensitive to the variation of thermal focal length.

另外，分析了1/4λ波片对于Nd∶YAG棒热致双折射效应的补偿作用，实验结果与理论分析吻合较好。

Seismic anisotropy can be studied by four basic seismic wave behaviors, e.g, direction-dependent travel time anomalies, shear-wave birefringence, surface-wave scattering, and direction-dependent conversion of compressional waves to shear waves.

目前人们利用4种基本的地震波现象研究地震各向异性，如横波双折射、面波散射、与传播方向有关的走时异常和PS转换波震相。

In the first part of this thesis, Stress relaxation method set up in the software of DMA was used to perform the aromatic and aliphalic (D2192-BAPP) PI film stretching process. To study the optical anisotropies property to the light leakage from the crossed polarizers, we put the stretched samples into one set of crossed polarizers and as expected, the stretched PI films could reduce the light leakage at view angle of ±45 deg, and exhibited a visually observed compensating property of an A-plate. No color shift wasobserved, and the birefringence was very uniform. These results prove a uniform birefringence can be obtained by a stretched process for PI films.

首先，我们以动态机械分析仪的应力缓和模式对芳香族FDA-BAPP PI及脂肪族D2192-BAPP PI薄膜进行拉伸实验，并将拉伸后的PI薄膜置於一组相互交差的偏光片中观察其光学异向性，发现拉伸后的PI薄膜试片可以降低在±45o视角的漏光的效果，展现出如同A-Plate的光学补偿特性，所显现的光学补偿效果相当的均匀而且没有色偏的情形发生，证实以拉伸方法可以造成PI薄膜很均匀的双折射效应。

If light was treated as being in a side to side action or 'transverse motion' then birefringence could be attributed to a light wave rather than the particle or corpuscular theory of Newton.

如果光被视作一个方方的行动或'横议案'然后双折射可归因一个光波粒子或红细胞而非牛顿理论。

The tempral properties of the nonlinear refraction in Cadmium porphyrin and Methyl orange areproposed by pump-probe technique.It can be used as all optical switch based on nonlinear refractioneffect.It was numerical simulated and analyzed theoretically.

利用泵探技术测量了类卟啉镉氯仿溶液和甲基橙水溶液非线性折射效应的时间特性，并指出这一效应可用于实现折射型全光开关，从理论上分析了双光束技术折射效应的时间特性。

Frequency stabilization laser based on transverse Zeeman effect provides several characters such as high stabilization frequency.

基于横向塞曼效应的稳频激光器，频率稳定度高，抗干扰能力强，输出功率大，差拍信号频率低、易于接收和处理，可直接输出相干性和偏振度都很好的线偏振光，便于测量偏振、双折射等物理量。

Magneto-optic Kerr effect is one of the magneto-optic effects.

指与电场二次方成正比的电感应双折射现象。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。