Research of the cutoff characteristic of the dominant mode inridge-trough waveguides;
脊槽波导主模截止特性研究
The influence of the ridge position on the cutoff wavelength of the dominant mode in asymmetric single ridge waveguide is analyzed by finite difference method.
这里将用有限差分法分析不对称脊波导脊位于不同位置时主模的截止波长。
The cut-off characteristics,bandwidth characteristis,and characteristic impedance of dominant mode of this pillowy waveguide are analyzed.
分析了枕形波导的截止特性、带宽特性及主模的阻抗特性。
In this paper, by making use of concepts of principal mode and independent mode grating, We simulate numerically the graded index multimode fiber grating and have achieved its reflected spectrum.
在本文中 ,通过引入主模和独立模光栅的概念 ,对梯度多模光纤光栅进行了数值模拟 ,计算了反射率谱线图 ,并就介电常数微拢、光栅长度以及工作波长等参数的变化对光栅反射率谱图的影响进行了详细讨论。