查询词典 waveguides

The beam splitter based on photonic crystal waveguides is taken as an essential component in integrated optical circuits.

光子晶体波导分束器是集成光学电路的重要组成元件。

We use the waveguide simulation software BeamPROP? to analyze the effects of the Y-branch angle, the radius and central angle of arc waveguides, and the length of straight waveguide on insertion loss and nonuniformity.

采用光波导数值模拟软件BeamPROP~分析Y分叉角度、圆弧波导的半径与圆心角、直波导长度等结构参数对插入损耗与分光均匀度的影响。

Based on the analysis of the single-ring resonator, both the transfer functions of parallel-coupled structure and the ones of series-parallel structure in multiple-ring high order resonators are derived using the transfer matrix method. And the influences of the length of straight waveguide between rings, coupling coefficients between rings, coupling coefficient between straight waveguides and ring, the number of rings and the radii of rings on spectral response are also analyzed. Spectral response at drop channel with maximally flat response pass bands and sharper roll-off could be achieved by optimizing these parameters, so as to improve the performance of output spectral response.

在分析单环结构的基础上，利用传输矩阵法，推导了多环并联和多环串联两种耦合结构的高阶谐振器的传输函数公式，分别分析了并联环间直波导的长度、串联环间耦合系数、环与直波导间的耦合系数、环个数和环半径对相应结构输出特性的影响，通过优化这些参数实现下话路输出光谱具有通带的最大平坦性和过渡带良好的滚降特性，从而达到改善其输出光谱特性的目的。

Analysis of curved optical waveguides by conformal transformation.

波导弯曲半径与弯曲损耗的关系。

An experimental formula of bending loss is suggested on the basis of conformal transformation and normalized approach used in analysis of curved optical waveguides.

介绍了分析波导弯曲损耗的保形变换法和归一化方法以及由此得到的波导弯曲半径与弯曲损耗的关系式。

For millimeter-wave applications, transmission lines in CMOS technology are also discussed and utilized to build two successful circuits in thin-film microstrip line and coplanar waveguides.

另外，於毫米波频段的应用中，我们也讨论在CMOS制程上所实现传输线结构，并使用薄膜微带线与共面波导成功设计出两个电路。

We discuss the characterization and modeling of coplanar waveguides realized in TSMC 0. 13μm CMOS process.

讨论了利用TSMC 0.13μm CMOS工艺实现的共面波导的特性及其建模。

One of the applications is using it as a coupler for nano-waveguides.

光栅是一个古老的课题，人们对它的研究已经有几百年的历史。

The computation of the Dyadic Green's function for cylindrical waveguides and cavities is approached by the theory of distributions.

本文用分布理论法计算圆柱波导及谐振腔的并矢格林函数。

ABSTRACT The design theory of cylindrically conformal slotted-waveguide array antenna fed by curved waveguides is studied.

本文研究用弯波导馈电的圆柱共形波导缝隙阵列天线的设计理论。

Foods high in this vitamin include oily fish such as salmon, tuna and, and fish liver oils.

维生素D含量高的食物包括诸如大麻哈鱼、金枪鱼和鲭鱼之类的油鱼以及鱼肝油。

We need you to cosign our public letter demanding that press intimidation cease immediately, and that all charges be dropped.

我们需要您cosign我们的公共信，要求记者立即停止恐吓，并要求所有收费下降。