第一和第二式类似于光栅方程。
The first and second equations are similar to those of grating.
运用线性系统理论分析了阵列波导光栅的模场特性，导出器件传输的数学模型即光栅方程。
The characteristic of arrayed waveguide gratings is analyzed with the linear systems theory and the optical grating equation is educed.
基于非线性耦合模方程，研究了非线性管理光纤光栅中的调制不稳定性，得到了调制不稳定性的色散关系。
Modulation instability in fiber grating with nonlinearity management is studied based on the nonlinear coupled-mode equations. The dispersion relation for modulation instability is obtained.
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.
基于速率方程理论，给出d BR光纤激光器单模运转的条件，并通过对光栅反射特性的分析及一些近似处理，进行了具体设计。
Condition for single mode operation of DBR fibre laser is given based on rate equations theory. We apply it to the design by analyzing characteristics of grating reflectivity and some approximation.
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.
本文提出用周期波导的方法，分析平面阵列波导光栅模式参数及其本征方程。
In this thesis, the AWG's transverse-mode parameter and its eigen equation as well is analyzed based on the periodic waveguide method.
将体全息光栅视为许多平面全息光栅的集合，利用平面全息衍射理论导出体全息光栅衍射的耦合波方程，并得到其衍射效。
And, using the planar hologram diffraction theory, the coupled wave equations of the volumetric hologram grating diffraction have been derived and the diffraction efficiencies obtained.
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.
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.
利用这个方程组，可以从理论上研究采用各种可调谐技术(如光栅调谐、F - P调制器调谐、注入锁模等)的TE (A) CO_2激光器的调谐特性。
By using these equations, the frequency-tuning characteristics of te (a) CO2 lasers, using such techniques as grating, F-P modulator, or injection locking, can be investigated theoretically.
利用倾斜光纤光栅的结构特点和光栅中光波的耦合模方程，分析研究了倾斜光纤光栅的反射特性。
The reflection property of the fiber tilted-grating is discussed by the structure and coupled-wave equation of the fiber tilted-grating.
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.
以流体动力学方程和光栅衍射原理为基础，得到了研究液态金属表面特性的理论方程序。
A theoretical equation of surface wave grating diffraction on liquid metal surface is established based on hydrodynamic equations and grating diffraction principle.
通过将物质方程与耦合波方程联立数值求解， 可得到光折变光栅形成过程中两波耦合增益系数以及光束条纹相位的变化。
Material equations and coupled wave equations are jointly solved to get the coupling coefficient and phase shift of light pattern during the dynamic procedure of photorefractive grating formation.
通过将物质方程与耦合波方程联立数值求解， 可得到光折变光栅形成过程中两波耦合增益系数以及光束条纹相位的变化。
Material equations and coupled wave equations are jointly solved to get the coupling coefficient and phase shift of light pattern during the dynamic procedure of photorefractive grating formation.
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