光束传播 meaning in English
beam propagation
Examples
- Then numerical algorithms are used to analyze integrated optical wave - guide and beam propagation method is a good method which is widely used
于是出现了用数值分析方法来分析集成光波导。其中，光束传播法就是分析光波导器件的一种好方法。 - The simulation using the bi - directional beam propagation method proves that the demultiplexer can have very low insertion loss and high isolation ratio
藉由双向光束传播法来仿真此组件，结果显示此解多任务器具有很低的插入损耗和高的隔离度。 - As for waveguide components such as awgs , beam propagation method ( bpm ) and transparent boundary condition ( tbc ) are powerful tools to do computer - aided modeling , giving direct results
对于awg这样一种波导器件，采用光束传播算法( bpm )和透明边界条件( tbc )进行数值模拟，可以给出直观、清晰的结果。 - First , i made and improved some beam propagation method ( bpm ) programs , consisting of 2d ( eim - bpm ) and 3d bpm , with transparent boundary condition ( tbc ) and perfectly matched layer ( pml ) boundary condition respectively
首先建立了光束传播法( bpm )的模拟平台，解决了边界问题。利用建立的三维bpm平台设计了渐变折射率波导的mmi耦合器。 - The effective index method is applied to simplify an awg structure from 3d to 2d . two simulation methods are presented in detail based on the gaussian beam propagation formula and the finite difference beam propagation method
文中采用等效折射率方法把三维结构简化为二维结构，然后分别基于高斯光束的传播和有限差分光束传播方法( fd - bpm ) ，给出了两种对整个awg进行全局模拟的具体方法。