| 1. | we have to distinguish between the propagating modes with real valued β, and the evanescent modes with imaginary β. 我们必须分别考虑具有实数的导模和具有虚数的消失模。 |
| 2. | Improved scaling rules for guided modes in nonlinear film waveguides 改进的非线性薄膜波导导模的无量纲表示 |
| 3. | Degenerate waveguide modes 简并波导模 |
| 4. | The analysis of mode field of planar optical waveguide by the scalar fd - td method 标量时域有限差分法用于平面光波导模场分析 |
| 5. | Cladding mode ' s characteristic and its affects on transmission spectrum of long period fiber gratings 长周期光纤光栅中纤芯导模与包层模耦合分析 |
| 6. | < uk > we have to distinguish between the propagating modes with real valued , and the evanescent modes with imaginary . < / uk > < uk >我们必须分别考虑具有实数的导模和具有虚数的消失模。 < / uk > |
| 7. | This paper analyses the coupling wastage in columniform wave guide gas laser , and gives the function between the coupling wastage of laser guide modulo eh11 and the position and radius of reflector 摘要分析了圆柱形波导气体激光器中的耦合损耗,给出了最低阶波导模eh11的耦合损耗与反射镜位置、曲率半径的函数关系。 |
| 8. | Then , according to waveguide theory , planar waveguide is analyzed . the main parameters , such as spread constant , decay coefficient , cut - off wavelength and so on , are deduced from dispersion formula of planar waveguide . the distributions of electromagnetic wave in the planar waveguide are obtained also 其次根据波导理论分析了平面波导,由平面波导的色散方程推导出了导模的传播常数、衰减系数、截止波长等特征参数以及波导中光波电磁场的分布。 |
| 9. | As beams transmit mostly in the core of waveguide , also the changes of thickness and refractive index of the sample will quickly and sensitively affect the propagation constant , the information of sample can be obtained through monitoring the propagation constant . 4 . the periodic anti - resonant reflecting layers are presented 由于光束集中在作为波导层的待测物之中传输,而由待测物质的厚度、折射率等参数带来的微小变化均会引起导模传播常数的变化,通过监测传播常数的变化即可得到待测物质的信息。 |
| 10. | This modulator works with the guided - wave reflectance peak , in which the light intensity is changed by the variation of the refractive index of poled polymer due to the electro - optic effects . device performances have been theoretically and experimentally investigated . we also successfully carried out experiments of video signal transmission using the proposed modulator 该调制器工作于金属包覆波导的衰减全反射导模吸收峰,利用极化聚合物电光材料的折射率对导模吸收的影响来实现电光调制,并对器件的性能指标进行了实验研究,同时利用制作的反射型电光调制器进行了视频信号良好地传输实验。 |