We have investigated the guide modes in two kinds of two_dimensional photonic crystal heterostructures by using the plane wave expansion method combined with the supercell technique.
利用平面波展开方法与超原胞方法研究了两种不同晶格的光子晶体异质结的界面态。
Crystal instrument is the key part of plane casting, the structure affects directly the surface quality of drawing material.
结晶器是水平连铸工艺中的关键工装部件,其结构直接影响拉拔管材的表面质量。
A method for proving crystal birefringence is presented. Thepolarization state of monochromatic plane electromagnetic wave is obtained for intermediate category.
给出了一种证明晶体双折射的方法,并求得单色平面电磁波在中级晶体中的偏振态。
The effect of hole size on nonlinearity and dispersion of the photonic crystal fiber(PCF) is analyzed by the plane wave expansion method.
采用平面波展开法,研究了气孔尺寸对光子晶体光纤色散特性和非线性的影响。
The electrochemical characteristics of carbon atoms on the edge and basal plane were determined by analyzing structure of graphite crystal and bond of different carbon atoms.
分析了石墨微晶结构与成键特征,研究了石墨微晶中边缘碳原子与基平面碳原子的电化学特性。
Plane wave expansion techniques and transfer matrix method are used to study the two-dimensional photonic crystal with a triangular lattice of dielectric cylinders in air.
提出了用正、负折射率介质层交替排列构成的一维光子晶体模型,并且用传输矩阵法计算了该模型的透射谱,从理论上分析了其带隙结构。
Applicable to coating of Korean crystal photo frames, photo album covers furniture and other plane surfaces.
适用于韩国水晶相框、相册封面、家具等平面式表面涂层。
After the ultraviolet irradiation, the crystal shape and distance of the crystal plane of LLDPE remain unchanged. However, the melting temperature and crystallinity decrease.
紫外辐照后,LLDPE的晶型和晶面间距未发生变化,但是其熔融温度和结晶度下降。
Refers to the mineral composition of emerald crystal surface and cleavage plane of When the composition of the mineral particles thick jade, particularly evident.
是指组成翡翠的矿物晶面及解理面在翠面的片状闪光。当组成翡翠的矿物颗粒粗大时,特别明显。
The results of testing show that the silicon (111) crystal plane is very smoothing by etching method.
测试结果表明,利用腐蚀方法得到的硅的(111)晶面周期结构平整光滑。
A portable periodic signal processor consists of 8098 chip microprocessors and DMF5002 lattice liquid crystal plane display.
便携式周期信号分析仪由8098单片机和DMF5002点阵式液晶平面显示器组成。
Etching silicon tips in anisotropic KOH solution has the advantages of simple, easy to handle, low cost and homogeneous etching rate of (100) crystal plane on a whole wafer.
各向异性KOH溶液腐蚀硅尖具有简单、易于实现、成本低廉、(100)晶面腐蚀速率均匀等优点。
The second part mainly has carried on the computation of the body elastic constants and the isolated single closed-packed plane of the rare-gas crystal.
第二部分是对稀有气体晶体的体弹性常数和孤立单一密排面的弹性常数进行了计算。
It is found that the orientation of the sheet processed by ECAR is changed and the crystal orientation evolves from (0002) basal plane orientation to coexistence of basal plane and non-basal plane.
结果表明:经等径角轧制后的板材,晶粒取向由等径角轧制前的(0002)基面取向演化为基面与非基面共存的取向。
We study the beam paths in uniaxial crystal with arbitarily oriented optical axis in general conditions, by it′s plane and ellipsoid of refraction index and Fresnel law.
从菲涅耳定律出发,利用单轴晶的折射率面和光率体,讨论了在一般情况下单轴晶内部的光路问题。
A method of calculating crystal plane spacing in centered cubic structure is proposed, and several examples are given to verify the validity of this method.
提出了一种计算有心立方结构面间距的方法,并给出了几个简单算例。
In order to produce high quality single crystal, the solid liquid interface morphology must be smooth, even be plane.
为了获得高质量的单晶,固-液界面面必须平滑,甚至是平界面。
Carbon crystal heating heating principle is the plane carbon crystal plate installation in the ground Shicai the following.
碳晶地暖的制热原理是将平面碳晶板铺设安装在地面饰材以下。
Through theory analysis a mathmatical relation between martensitic {112} crystal plane diffraction peak is established.
通过讨论分析,建立了马氏体碳浓度与马氏体{112}晶面族衍射峰双线分离距离之间的关系式。
The results of the plane wave method with super cell shows: (1) photonic band gaps exist in the guided modes of the photonic crystal slabs.
平面波超元算法的结果表明:(1)平板光子晶体导模中存在带隙。
A method for manufacturing an ink-jet print head including: preparing a single crystal silicon wafer having a (110) crystal plane orientation, as a substrate;
一种制造喷墨打印头的方法,包括:准备具有(110)晶面取向的单晶硅晶片作为基板;
If using an external crystal, make sure the crystal traces are short and are protected by ground plane.
如果使用外部晶振,确保晶体的痕迹很短,是由地平面的保护。
The conduction characteristic for determining this is a combination of material type of the semiconductor, crystal plane, orientation, and strain.
用于确定此点的传导特性是半导体材料类型、晶面、取向以及应变的组合。
There exist obvious textures with (400) crystal plane preferential oriented crystal structure in the melt-spun alloys with different quenching rates.
在不同淬速的快淬合金中有以(400)晶面为择优取向的织构存在。
Based on photonic band gap theory and plane wave expansion method, the effect of liquid crystal on the conduction change of PCF and filtering properties are researched.
基于光子带隙理论,利用平面波展开法对填充液晶前后光子晶体光纤传导机制的转变进行了探讨,研究了填充液晶对光子晶体光纤滤波性能的影响。
The plane wave expansion method is used to analyze the photonic crystal, and is translated into the scope of the fiber Bragg gratings.
利用平面波展开法对光子晶体进行理论研究,将研究方法移植到光纤布拉格光栅上,并对其进行数值分析,得到光栅的传输特性。
A good result is obtained in measuring Quartz Crystal plane angle when the method is used in automatic measure& control system of X-ray diffraction goniometer.
的自动测控系统,在对人造石英单晶切片的晶面角进行测量时,得到比较令人满意的结果。
A good result is obtained in measuring Quartz Crystal plane angle when the method is used in automatic measure& control system of X-ray diffraction goniometer.
的自动测控系统,在对人造石英单晶切片的晶面角进行测量时,得到比较令人满意的结果。
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