Ansys Assistant will be unavailable on the Learning Forum starting January 30. An upgraded version is coming soon. We apologize for any inconvenience and appreciate your patience. Stay tuned for updates.

Ansys Learning Forum Forums Discuss Simulation Photonics Reflection is more than 1 with BFAST source for off-normal incident Reply To: Reflection is more than 1 with BFAST source for off-normal incident

Guilin Sun
Ansys Employee

You can use grating analysis: https://optics.ansys.com/hc/en-us/articles/360042088813-Diffraction-grating

10ps might still not be long enough: it may also need to use smaller autoshutoff min. those are the two main causes:

PML reflection

simulaiton not long enough by simulation time and(or) autoshutoff min.

[bingo_chatbox]