色散曲线

X射线平晶谱仪色散曲线和波长的确定

Dispersion curve and wavelength determination in flat-crystal X-ray spectrograph

利用有限元法获得现有PCF的色散曲线、零色散点等主要光学参数。

The main optical parameters of existing PCF , such as the dispersion curve , zero dispersion wavelength , are obtained by the finite element method .

金刚石、Si、Ge和α-Sn的声子色散曲线

The phonon dispersion curves of diamond , si , Ge and α - sn

同时还给出了GaAs中三光子吸收系数的色散曲线。

And the dispersive curves of three-photon absorption coefficients in GaAs are given for different models .

本文提出了一种计算方形对称传输线TE模的各模式的截止波数，以及根据各模式的截止波数计算各模式的色散曲线的方法。

This paper puts forward a computation method on cut-frequency of all TE models of square symmetry wire by which chromatic dispersion curves can be drawn .

作为一种辅助的分析方法，本文还利用CSTMICROWAVESTUDIO对曲折矩形槽波导慢波系统的高频特性做了模拟仿真，得到了色散曲线和耦合阻抗，与理论结果符合很好。

As an assistant analysis , CST MICROWAVE STUDIO is applied to simulate dispersion characteristics and interaction impedance of rectangular groove guide . Simulation show better agreement with theoretical results .

用6参数Born-VonKarman模型计算了金刚石、Si、Ge和α-Sn的声子色散曲线。

The phonon dispersion curves of diamond , Si , Ge and a-Sn are calculated using the six-parameter Born-von Karman model .

利用HFSS仿真软件分别对光滑同轴导体波导和内开槽结构同轴波导进行了仿真计算，得到了二者的色散曲线。

The smooth coaxial waveguide and coaxial inner-slot structure waveguide are simulated by HFSS , and dispersive curves are got .

二维三角晶格的Peierls相变前后的声子色散曲线的研究

The study of phonon dispersion curves in trigonal lattice of two-dimension pre or behind Peierls phase transition

在新实验系统上进行了双色电磁诱导透明实验，利用频率调制谱的方法测量了双色EIT的色散曲线。

We studied the bichromatic electromagnetically induced transparency in our new MOT system . The dispersive curve of bichromatic EIT was measured by frequency-modulation spectroscopy .

采用该方法编制了计算波纹波导和盘荷波导色散曲线的Matlab程序，计算结果与多维全电磁模拟软件结果的相对误差在1%之内。

The dispersion curves of a sinusoidal ripple waveguide and a disk-loaded waveguide are computed by programming Matlab codes . The numerical results are with relative errors about 1 % compared with the simulated results of multidimensional full electromagnetic software .

利用K-K关系测量无支撑聚酯薄膜红外光学常数色散曲线

Measurement of infrared optical constant dispersion curves of free-standing thin polyester film by Kramers-Kronig relationship

论文利用有限元的模式分析方法，详细地研究了该类型波导的SPP传播色散曲线、传播距离和传播模式场的分布情况。

Based on mode analysis using finite element method , we present a detailed study of propagation dispersion relation , propagation length , mode field distribution of our proposed waveguide structure .

当手征导纳大于某一值时，HR分支的截止频率为无穷大即此分支不再存在，只有HL分支传导，模式色散曲线与普通平板波导相似。

When the chiral admittance exceeds a certain value , the cutoff frequency of HR branch is infinite , i.e. , this branch becomes radiated mode , only HL branch can be guided , the dispersion curve is like that of the general waveguide .

本章首先考察了一种结构较为简单的单一谐振腔波导。通过对其能带的计算与分析，得到了一条极其平坦的色散曲线，满足群速度和GVD都同时接近于零。

First we investigate a simple line defect photonic crystal waveguide with the same cavities , and achieve an extremely flat band , satisfying both the small group velocity and vanishing GVD .

随着等离子体密度的增加色散曲线明显上移，由于TM模式的下截止频率上移的速度大于上截止频率上移的速度，导致通带的频率范围减小，色散曲线变平坦。

With the increase of plasma density dispersion curve is shifted upward significantly . Because the shift speed of the lower cutoff frequency for TM mode is greater than that of the upper cut-off frequency bandpass frequency range reduced gradually and the dispersion curves become flattened . 4 .

分别采用有限元算法软件（HFSS）和有限积分法软件（MAFIA）对相对论行波管盘荷波导慢波结构进行建模，求出了相应的色散曲线。

Using the software high frequency structure simulator ( HFSS ) and Maxwell 's equation by the finite integration algorithm ( MAFIA ), a disk-loaded waveguide of relativity traveling wave tube is simulated to get the dispersion characteristics .

利用MAFIA的准周期边界条件对螺旋慢波电路的高频特性进行模拟，发现模拟结果在一定的网格取值范围内作微小变化，在此基础上使得色散曲线趋于数值收敛；

The high-frequency characteristic of helical slow-wave circuit is simulated by the quasi-periodic boundary condition of the MAFIA . The simulation result represents a little change when mesh points vary in some ranges , so the dispersion curve reaches the numerical convergence .

三折螺旋波纹波导使TE11模和TE21模相互耦合，其色散曲线能够在宽频带内与电子回旋共振，因此需要对色散方程进行研究。

Three-fold helical rippled waveguide makes TE_ ( 11 ) and TE_ ( 21 ) coupling , the dispersion characteristic in physical mechanism make the electron the cyclotron resonance in the broad frequency band , so the dispersion equation need to be researched .

有非常陡峭的正斜率的色散曲线区域或者负斜率的色散曲线区域，这种区域可以用来做负折射。

Steep dispersion curve with positive slope can be used in negative refraction .

斜长石折光率色散曲线特征的讨论

The refractive dispersion curve of plagioclase & a discussion

在得到理论的色散曲线后，接着介绍了两种不同的光全通滤波器结构，即环形器结构和双光纤准直器结构。

After the dispersion graph , architectures of circulator and two-fiber collimator are shown .

主要的工作和成绩如下：1、用近似场求解的方法求解了波纹波导非轴对称模式色散曲线。

Use the approximated-field theory to solve the dispersion relation of corrugated cylinder waveguide .

用补偿法求解任意截面介质波导的色散曲线

Analysis of Various Cross-Section Waveguides by Compensation Method

运用有效折射率法获得不同光波导结构的单模色散曲线。

Acquiring the normalized dispersion curves of different rib optical waveguide structures by EIM .

填充等离子体波纹波导色散曲线计算软件的设计

The Design for a Software Calculating the Dispersion Curves of a Plasma Loaded Corrugation Wave-Guide

共振频率附近的吸收曲线与色散曲线

Absorption and dispersion near the resonant frequency

研究表明：解析色散曲线不但依赖于等离子体的温度，而且与幂律指数有关。

Analytic results not only depend on the plasma temperature but also on the power-law exponent .

以高折射率芯布拉格光纤为例，实现了该算法，得到基模与二次模的横向电场分布、基模色散曲线和模式双折射。

The supercell mode is implemented when the high-index core Bragg fiber is taken into account .

得到了各波段对应的旋光色散曲线和拟合公式。

We get the optical rotatory dispersion curves and the fitting formula at the three wavebands .