球面波光源

- April 23, 2023 at 3:29 am
  
  xingguohua18
  Subscriber
  
  老师您好，若要自定义一个球面波光源，其场分布应该为：
  ，
  那么应该如何设置Ex、Ey、Ez三个分量？
  我按照下面这种矢量分解的方式分别计算了这三个分量，并添加到自定义光源中，加监视器后，通过远场投影计算了焦点的分布，但并没有明显的聚焦效果（下图yoz电场分布），请问老师这是什么原因呢？我应该如何正确自定义一个球面波光源？
  
  E=E0exp⁡(-j2πλx2+y2+f2)
  E=E0exp⁡(-j2πλx2+y2+f2)
  E=E0exp⁡(-j2πλx2+y2+f2)
- May 1, 2023 at 5:23 pm
  
  Guilin Sun
  Ansys Employee
  
  球面波是教科书中简化的，实际情况并没有这种波存在。
  你分解的应该也不正确，没有沿轴分量基本上应该是平面波，所以两者并不匹配。
  实验中你用的是什么光源？你这是想仿真成像？仿真我估计高斯光比较合适，也可以用偶极子光源，你试一下。
  以后发帖请到Lumerical专用论坛 https://forum.ansys.com/forums/forum/discuss-simulation/photonics-chinese/

Viewing 1 reply thread

You must be logged in to reply to this topic.

Ansys Innovation Space

Boost Ansys Fluent Simulations with AWS

Computational Fluid Dynamics (CFD) helps engineers design products in which the flow of fluid components is a significant challenge. These different use cases often require large complex models to solve on a traditional workstation. Click here to join this event to learn how to leverage Ansys Fluids on the cloud, thanks to Ansys Gateway powered by AWS.

Earth Rescue – An Ansys Online Series

The climate crisis is here. But so is the human ingenuity to fight it. Earth Rescue reveals what visionary companies are doing today to engineer radical new ideas in the fight against climate change. Click here to watch the first episode.

Ansys Blog

Subscribe to the Ansys Blog to get great new content about the power of simulation delivered right to your email on a weekly basis. With content from Ansys experts, partners and customers you will learn about product development advances, thought leadership and trends and tips to better use Ansys tools. Sign up here.

Trending discussions