The rigorous coupled-wave theory is used to analyze the characteristics of grating diffraction, and the results indicate that this method produces no phase distortion.
运用严格的光栅衍射耦合波理论分析光栅的衍射特性，发现该方案不会引入相位畸变。
The diffraction characteristics of the phase mask for UV-written fiber grating is investigated using rigorous coupled-wave theory.
本文利用严格耦合波理论对用于光纤光栅制作的相位掩模的衍射特性进行了深入的研究。
Using the method of rigorous coupled-wave theory to compute the diffraction efficiency of a grating, the program for calculating diffraction efficiency for both te and TM polarization is made.
通过利用严格的耦合波理论计算光栅衍射效率的方法，分别编制出了计算te波和TM波的衍射效率程序。
Weak modulated dielectric grating can be equivalent to planar waveguide. When it diffracted high-order spatial sub-wave is coupled with waveguide mode, a guided mode resonance is formed.
弱调制介质光栅可等效为平板波导，经其衍射的高级次子波与波导模式耦合时，形成导模共振。
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.
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。
Based on the rigorous coupled wave electromagnetic fields analysis method, the blazed grating diffraction characteristic was researched.
介绍了严格的耦合波理论分析闪耀光栅衍射特性的方法。
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.
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。
Modified coupled-wave equations are used to calculate the effect of grating shape on coupling coefficient of the second-order gratings.
利用改进的耦合波理论计算了具体器件结构中光栅形貌对二级光栅耦合系数的影响。
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.
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。
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。
The diffractive efficiency of the grating is computed by using rigorous coupled-wave analysis (RCWA). The property of polarization of the grating is also discussed.
采用严格耦合波分析(RCWA)理论计算了这种一维深亚波长光栅的衍射效率，分析了它的偏振特性。
The dynamics of vectorial coupled-mode solitons in one-dimensional shallow grating photonic crystals with quadratic and cubic nonlinearities is discussed.
研究同时具有二阶和三阶非线性效应的一维浅栅光子晶体中的矢量耦合模孤子动力学。
The spectral characteristics of a long period fiber grating is analyzed by using the coupled mode theory.
本文应用耦合模理论分析了长周期光栅的光谱特性。
Through coupled-mode theory, the simulation of the coupling properties of the slanted grating is given to optimize its tilt angle.
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。
When a volume holographic grating is readout under off-Bragg condition, determining the direction of the diffracted beam is an important issue in the coupled-wave theory of volume gratings.
体全息光栅的读出偏离布拉格条件时，衍射光方向的确定是体光栅耦合波理论中的一个重要问题。
A novel fast analyzer of gingili analyzer, which employs a fix holographic grating and a linear charge coupled device (CCD) array as the light dispersion system and the detector, was developed.
研制了一种采用固定光栅分光，线阵CCD检测器检测的新型芝麻油掺假速测仪，阐述了其工作原理以及软硬件设计，并将其应用于实际样品的测定。
Starting from basic theories of Superstructure Fiber Bragg Grating, the paper firstly analyzes Superstructure Fiber Bragg Grating with FFT transformations and coupled mode theories.
文章从超结构光纤光栅的理论基础、反射光谱特性、超结构光纤光栅传感机理三方面展开研究。
The reflection property of the fiber tilted-grating is discussed by the structure and coupled-wave equation of the fiber tilted-grating.
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。
Optic fiber grating sensor demodulation using over coupled coupler experiment is carried on and good response is obtained.
利用该过耦合器组成的检测系统对光纤光栅传感器进行解调，得到了较好的响应。
The wave equations, modes coupled coefficient and Poynting vector have been got here. The sensing theory of tilted fiber Bragg grating is presented here.
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.
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。
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