晶体

Not only the thermal properties but also the optical properties of these birefringent crystals are anisotropic.

这些双折射晶体不但光学性质是各向异性的，而且热学性质也是各向异性的，显然温度对这类器件性能的影响更是复杂，也更是不客被忽视的。

For light, the necessary phase shift can be introduced by use of a birefringent material. In Fig.

对于光波来说，位相转换可以采取晶体的双折射得到。

In this paper, we designed a new kind of rectangular PCF based on the traditional PCF theory and application, which displays high birefringent, low loss and dispersion, etc.

在数值分析之后，我们根据设计的光纤结构，提出了制作太赫兹光子晶体光纤的方案，并将方案付诸实现，采用模具灌注的方法制作出光纤的样品。

It will result in birefringent phenomenon of the light beam,based on which many of the current optical voltage transformers are studied.

某些晶体在电场作用下，折射率发生变化，当光通过时会发生双折射现象，现在研究的光学电压互感器多是基于此种现象的。

Analysis of Jones matrix of birefringent crystal.

双折射晶体琼斯矩阵分析。

By using the birefringent crystal YVO_4, a novel scheme of wavelength monitoring in DWDM optical communication systems is presented.

利用YVO4双折射晶体，设计了一种新型光通讯密集波分复用系统波长监控的方案，分析了其工作原理，并对方案的可行性进行了实验研究。

Such substances are optically anisotropic and birefringent.

这种材料是光学各向异性的，因而是双折射晶体。

Several birefringent crystals with proper alignment are introduced into OLPF to get a better frequency response.

多块双折射晶体通过适当的排列，可以在对主瓣影响不大的前提下，较大地抑制旁瓣，从而达到改善滤波效果的目的。

In this thesis, it is also discussed in detail that OLPF which is based upon the light-splitting character of birefringent crystal can reduce aliasing in a digitized image.Optical system is a space-filter by Fourier Optics.

文中详细讲述了OLPF如何利用双折射晶体的分光性质来实现低通滤波的原理，起到了减少甚至消除莫尔条纹的作用，避免了图像质量的下降。

This thesis is composed of two parts:(1) Preparation and properties of organic functional materials including electroluminescence materials, electrical bistable materials and rectification materials.(2) Study of organic crystal structure.

本文主要由两部分构成：(1)有机功能材料的制备及性质，包括有机发光材料，有机电双稳材料以及有机电整流材料；(2)有机晶体的结构研究。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。