$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 for 1D-DDCC in GUI interface
In step 3, you can modify the cavity starts at layer.

The $RCWAcavitystart setting for 2D-DDCC in GUI interface
1. Press RCWA and fill in the box for Cavity Start as needed!