结果与传统的耦合模理论一致。
All results are same as those from the conventional coupling mode theory.
本文应用耦合模理论分析了长周期光栅的光谱特性。
The spectral characteristics of a long period fiber grating is analyzed by using the coupled mode theory.
基于耦合模理论,提出一种判别圆双折射光纤的简易方法。
Based on the coupled-mode theory, a simple method to distinguish circular-birefringence fibers is presented.
其次从耦合模理论出发,建立了长周期光纤光栅的数学模型。
From coupled mode theory, the mathematical model of LPG was established.
所求出的耦合系数表达式比耦合模理论的结果更为简单、实用。
The expression of coupled coefficient we obtained, is simpler and more precise in comparison with the results derived by conventional methods.
利用耦合模理论,模拟了斜光栅的耦合特性并对其倾斜角进行优化设计。
Through coupled-mode theory, the simulation of the coupling properties of the slanted grating is given to optimize its tilt angle.
基于耦合模理论,对线性负切趾型布拉格光栅中引入啁啾后其双稳特性的变化进行了研究。
Based on the coupled mode theory, the influence of introducing the chirp on the bistable characteristics of linear negative tapered Bragg gratings is investigated.
应用耦合模理论和传输矩阵法计算模拟了长周期光纤光栅的透射谱,并对其进行了切趾优化。
Based on the coupled-mode theory, the transfer-matrix method is used to calculate the transmission spectra of phase-shifted long-period fiber gratings (LPFG).
在此基础上,利用导模与辐射模的耦合模理论较系统地描述了棱镜耦合器的输入、输出特性。
On this basis input and output coupling properties have been described systematically by coupled mode theory of guided mode and radiation mode.
利用傅里叶变换和耦合模理论得到了取样布拉格光纤光栅的谐振方程,确定了其多谐振峰的位置。
The resonance equation of the sampled fiber Bragg gratings is derived through the Fourier′s transform and the coupled-mode theory, which determine the wavelengths of the resonance peaks.
最后,我们利用耦合模理论和有限时域差分技术研究了非线性缺陷对构成的光子晶体分子的单向导通行为。
Finally, we investigate the unidirectional transmission behavior of PC molecules consisting of nonlinear defect pairs by use of the coupled mode theory and the finite-difference time-domain technique.
本文第一部分运用耦合模理论推导了在光纤光栅中传播的光的基本传输方程以及给出各个参数的物理意义。
Firstly, basic transmission equation of transmitted light is given using coupled-mode theory in Fiber Bragg Gratings and physics meaning of every parameter is given.
对长周期光纤光栅传输谱谐振波长的应变特性用耦合模理论进行研究,推导出谐振波长应变灵敏度的解析表达式。
The strain sensitivity characteristic of long-period fibre grating (LPFG) was studied by coupled-mode theory and the strain sensitivity analytic equation of the resonant wavelength was deduced.
本文在耦合模理论的基础上,运用有限差分法数值模拟了布拉格亮孤子在抛物线平方变迹光纤光栅中的传输特性。
On the basis of the coupled mode theory, the finite-difference method is used to simulate the transmission of Bragg bright solitons in parabolic squared-apodization fiber gratings.
根据耦合模理论,分析了光纤耦合器的分束比、附加损耗等传输特性对FFTS的工作带宽和测量准确性的影响。
According to the coupled-mode theory, the impacts of fiber couplers transmission characteristics such as splitting ratio and additional loss, on the veracity and bandwidth of FFTS are analyzed.
采用传统的耦合模理论,建立了单螺旋手征长周期光纤光栅的耦合模方程,并以螺旋芯光纤为例进行了理论分析。
Using conventional coupled-mode theory, a set of coupled-mode equations are formulated for single-helix chiral fiber long-period gratings. A helical-core fiber is analyzed as an example.
实验研究了该型长周期光纤光栅的压力和温度特性;结合光纤的弹光效应、热光效应和耦合模理论分析了实验结果。
The qualitative analysis of the related experimental results was carried out combining with photo-elastic effect, photo-thermal effect and coupled mode theory.
利用耦合模理论分析了在双锥光纤耦合区中声光的相互作用,讨论了在不同耦合区半径下扰动周期与声波频率的关系。
The acoustooptic interaction in biconical optical fiber was analyzed based on coupled mode theory, and the relationship between perturbation period and flexural wave frequency was discussed.
将修正的矢量等效折射率模型和耦合模理论相结合,系统地研究了光子晶体光纤长周期光栅(PCFLPG)的特性。
The properties of long period gratings in photonic crystal fibers (PCFLPG) are systematically analyzed by the improved full-vector effective index model and the coupled mode theory.
采用耦合模理论对倾斜光纤光栅的传播特性进行分析,并推导出模式传播的波动方程、模式间的耦合系数及坡印亭矢量。
The wave equations, modes coupled coefficient and Poynting vector have been got here. The sensing theory of tilted fiber Bragg grating is presented here.
利用固有值和固有矢量的方法解出了耦合模方程,并对其进行理论性分析。
We have obtained the coupled-mode equation by using the eigenvalues and eigenvectors, and given a theoretical analysis.
叙述了TE_(21)模耦合器的设计理论,给出了一个设计实例。
The theory and experitment of a TE_(21)-mode coupler are described and an application example is given in this paper.
本文在对耦合波理论和级连模匹配技术的理论推导的基础上,编制了数值求解各个模式在喇叭中耦合过程的计算程序。
The program that can numerically solver the question of mode coupling in horn has been programmed according to the coupling wave theory and mode matching technology.
利用耦合模方程,对具有不同耦合系数的线性啁啾光纤光栅的色散特性进行了理论和数值分析。
The dispersion of linearly chirped fiber gratings with different coupling profiles is studied theoretically and numerically using coupling mode equations.
文中应用现代控制理论、滑模变结构控制理论和模糊控制理论设计了两种三并联耦合倒立摆系统的控制方案。
Modern control theory, variable structure control theory and fuzzy logic control theory are applied to contrive two schemes to control Parallel triple inverted-pendulum system.
采用模场耦合理论,推导出多模光纤与单模光纤的直接耦合效率表达式,计算得到耦合效率与所选用的多模光纤和单模光纤的纤芯芯径之间的模拟关系。
Based on mode field coupling theory, a model to calculate the butt-joint coupling efficiency between a multi-mode fiber and a single-mode fiber is presented.
利用泰勒展式的一级近似,得到了缺陷模频率的解析表达式,进而得到紧束缚理论中的耦合因子。
Under the first-order approximation of Taylor expansion, the analytic expression for the defect mode frequency is derived, from which the coupling factor is deduced.
对空间耦合的两台多模激光场的强度和相位的动力学行为进行了理论分析。
The dynamical properties of two spatially coupled multi-mode lasers are investigated theoretically.
对EOPCB的耦合接口方案进行了研究,针对直波导与多模光纤的耦合损耗进行了计算研究,为在实验过程中的具体操作提供了理论依据。
Then we will analyze the coupling blue print of EOPCB, and compute the loss of fiber coupling with optical waveguide, it will be useful in experimentation.
对EOPCB的耦合接口方案进行了研究,针对直波导与多模光纤的耦合损耗进行了计算研究,为在实验过程中的具体操作提供了理论依据。
Then we will analyze the coupling blue print of EOPCB, and compute the loss of fiber coupling with optical waveguide, it will be useful in experimentation.
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