mode field

mode field diameter of single-mode optical fiber by knife-edge scanning in the far field

单模光纤模场直径的远场刀刃扫描试验

the structure of the polymer rib optical waveguide is designed by using effective index method ( eim), and the mode field distribution in these waveguides is analyzed to determine the suitable structural size range.

利用有效折射率法（EIM）理论设计了有机聚合物脊形光波导结构，并分析光波导中传输的模式场，确定出光波导结构的适宜尺寸范围。

the mode field distribution of the heterogeneity line defect has been discussed.

利用其特有的“无截止单模”特性，对大模场光子晶体光纤进行了设计。

the analysis of mode field distributions of the graded index optical waveguide by the scalar fdtd

标量FDTD法分析渐变折射率光波导模场分布

first, the propagation and mode field property of such fiber is calculated, including propagation constant, electric field distribution, bending loss, dispersion and non-linear properties.

首先我们从理论上系统计算了该种光纤的传播和模场特性，包括传播常数、电场分布、弯曲损耗、色散特性以及非线性特性。

the result shows that the coupling efficiency is affected by the obscuration ratio, the aperture size and the fiber mode field radius.

计算了卡塞格林望远镜到光纤的耦合效率，结果表明，耦合效率会受到遮拦比、接收孔径及光纤模场半径的影响。

The coupling technology of super-luminescent laser diode ( SLD) to single mode panda-type polarization maintained optical fiber was investigated using Gaussian mode approximation and mode field matching.

采用高斯模场近似和模场匹配方法，对超辐射激光二极管与带类球透镜单模熊猫型保偏光纤的耦合，进行了仿真计算和实验研究。

The numerical calculation methods of the cutoff wavelength and mode field diameter are described in detail.

给出了数值计算截止波长和模场直径的方法；

measurement of mode field diameter of single-mode optical fiber

单模光纤模场直径的测量

a new kind of mode field diameter measuring system for single-mode fiber

新型单模光纤模场直径测试系统

Electromagnetic field in various layers of D metal gratings can be described with vector mode field.

用矢量模式场来描述二维金属光栅各层中的电磁场.

Start from the vector wave equation for source free region, the hybrid mode field of the cylindrical dielectric waveguide is presented via the method of seperation of variables, Given the aperture field, the radiation field of the conic dielectric horn is forwarded with E mode formula.

本文用分离变量法求解波动方程，推导出介质加载喇叭的矢量位，进而对混合模介质加载圆波导内场进行分析，并由此得到小张角介质加载圆锥喇叭的口径场和远区辐射场；

experimental evaluation for type a component of uncertainty in measurement with mode field diameter

模场直径检测中A类不确定度分量的实验评定

dynamic properties in the interaction between multi atom system and single mode field

多原子体系与单模腔场相互作用的动力学特性

mode field diameter measurement - variable aperture method in the farfield

模场直径测量。远场可变孔径法

fabrication of two kinds of expanded core lens-fibers and analysis of mode field diameter

两种扩束透镜光纤的研制与模场分析

optical fibres - part 1-45 : measurement methods and test procedures - mode field diameter.

光纤。第1-45部分：测量方法和试验规程。模场直径。

mode field analysis of tunneling effects in w-tunneling optical fibers

W型单模单偏振光纤隧道效应的模场分析

Research on Offset Joint Method for the Measurement of Mode field Diameter of Single mode Fibers

用于单模光纤模场直径测量的横向错移法的研究

With the increase of the effective mode field area of the first core, the switch threshold power increases.

增大第一纤芯的有效模场面积将导致开关的阈值增大。