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。
The basic principles and simulation methods of a null-coupler-based OADM are studied firstly, especially in the crosstalk of a Y-branch structure and the coupling properties of a tilted grating.
论文首先研究了零耦合器型OADM器件的基本原理与设计方法，特别是Y分支的串扰特性与斜光栅的耦合特性。
Evanescent-field coupling based on long-period fiber grating (LPG) and bi-conical tapered fiber is proposed and investigated both theoretically and experimentally.
对长周期光纤光栅和双锥形光纤之间的倏逝波耦合作用进行了研究。
This paper introduce a novel fabrication of the helical chirped Bragg fiber grating (H-CFBG) and the coupling theory and dispersion compensation ability is analyzed.
本文介绍了一种螺旋型啁啾光纤光栅(H -CFBG)的制造方法，并且从理论上分析了它的耦合方程以及对它的色散补偿分析。
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。
With this quality factor, the grating structure is optimized by selecting different coupling lengths and the distribution of coupling coefficient to improve its dispersion property.
通过比较得出一组最佳的品质因数调节参数，并用于对光栅耦合系数高斯分布形状和耦合长度进行优化，最终获得了最佳的色散特性。
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 experiment and analysis prove that effective grating coupling can be achieved through the reasonable design of a 2D grating for very long wavelength QWIPs.
实验与计算结果证明，合理地设计二维光栅，进行甚长波QWIP光耦合，可以获得有效的光耦合效果。
From those, we also obtain the distributing of field, dispersive function, and coupling impedance of rectangle grating structure.
并由此推出矩形栅的场分布，色散方程和耦合阻抗。
Based on this, we study the photosensitive inner cladding's influence on the core-mode-core-mode coupling and the core-mode-cladding-mode coupling in this kind of grating.
以此为基础，详细研究了光敏内包层对该类型光栅中存在的正向传播的纤芯基模与反向传播的纤芯基模以及与反向传播的包层模之间的耦合的影响。
This paper introduces the influence of grating constant on response characteristics in C60-doped nematic liquid crystals(5CB) by two beam-coupling experiment.
通过二波耦合实验研究了C60掺杂向列相液晶中光栅形成的响应特性与光栅常数的关系。
This paper introduces the influence of grating constant on response characteristics in C60-doped nematic liquid crystals(5CB) by two beam-coupling experiment.
通过二波耦合实验研究了C60掺杂向列相液晶中光栅形成的响应特性与光栅常数的关系。
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