$RCWAcavitystart

$RCWAcavitystart required setting tag the layer number of the beginning of cavity, in oder to solve the Q-factor.. This layer number needs to be set in the beginning of input file.

Example

$RCWAcavitystart 

3

The $RCWAcavitystart setting in GUI interface is here
1. Press RCWA and fill in the box for Cavity Start as needed!