查询词典 waveguides

It also presents for the first time the vector finite element solution of integrated semiconductor waveguides with active regions.

它也列出了首次的矢量有限元解半导体集成光波导活跃的地区之一。

For acquiring relations between the eigenfunctions of waveguides and tensor Green function, we first take the Fourier transform of Green function. In isotropic media the simplest image function can be expressed in dyadic form, and in anisotropic media in the form of ABA+-ikz0,where A is the coordinate matrix.

为了得到波导管的本征函数和格林张量函数的一些关系，我们首先对格林函数作富氏变换，它的象函数在各向同性介质波导中以并矢形式作为最简单的表达方法，而在充有各向异性介质波导中可以表为ABA~+e~的形式，这里A是坐标矩阵。

In this paper we studied the general forms and properties of tensor Green functions in waveguides with the methods of eigenfunctions expansion.

本文以本征函数展开的方法，研究了波导管中格林函数的一般性质和形式。

The modes of electromagnetic wave and threshold frequency related to three waveguides are also discussed.

本文同时讨论了相关的波型和截止频率等问题。

The work in this thesis settled the basis of optimizing and calculatingly analyzing of the propagation and the gain characteristic of three dimensional optical waveguides.

论文工作为三维光波导传输和增益特性的计算分析及优化设计奠定了基础。

"The wire is very promising in many areas, where larger-width optical waveguides are currently used, such as microphotonic devices for optical communication and optical sensing," explained Limin Tong who is currently working in Mazur's group.

&这种丝在很多领域都很有前途，例如用於光通信和光传感的微光子设备，在这些领域目前使用的都是直径较大的光学波导。&

Coupling between nonparallel waveguides is studied by coupling mode theory, and the coupling equations and coupling coefficients are obtained.

利用耦合模理论对非平行波导耦合特性进行了研究，得到了非平行波导的普遍性耦合方程及耦合系数表达式。

Using finite element method, this paper investigates the influences of two deformed symmetrical double ridged,, waveguides on their transmission characteristics.

文章采用有限元法研究了圆形和椭圆形两种变形对称双脊波导对传输特性的影响。

The shortcoming of ordinary multimode Y branch optical power splitter is that the branch characteristic strongly depends on the excited modal distribution. Different input conditions including different input modes and different input positions will excite different modes and different intensity distribution of these modes in highly multimode waveguides. The interference of these modes will contribute to distribute unstably, i.e.

多模Y分支器件的设计中存在一个共同的问题，即随着光入射条件的不同(包括入射光的模式不同和输入进波导端面位置不同等)，多模波导中所激励起的模的数目以及各个模之间的功率分配也各不相同，激励起的多个模式之间总是存在着不同程度上的相互干涉影响，从而最终影响功分器的分束均匀性。

In Chapter 7 the some optical properties of the Ag/AgI hollow glass waveguides were investigated.

第七章研究了介质镀层玻璃空芯光纤的一些光性能，结果表明

In the chapter 2, the theoretic knowledge about the photosensitive resin and the grinding tools was firstly introduced.

第二章阐述了光固化树脂结合剂磨具的相关理论研究。

Do not use the program's indenting or margin-setting features; these will be added during typesetting.

不要使用缩排，页面边缘设置之类的选项，偶看不大懂。