We’re putting the final touches on our new badges platform. Badge issuance remains temporarily paused, but all completions are being recorded and will be fulfilled once the platform is live. Thank you for your patience.
Shu Lin
Subscriber

明白了,非常感谢。

我用金属边界仿真的结果如下:

用PML边界仿真结果如下:

这是不是意味着只有前两个模式是传播模式?也就是说只有前两个模式能在波导中传输?