$RCWAabovelayer

$RCWAabovelayer is the definition of layer number above the 1D-DDCC program. For example, RCWA simulation 20 DBR layers. DDCC ran electrical problem from 21st layer, then

$RCWAabovelayer
20

The $RCWAabovelayer setting for 1D-DDCC in GUI interface

3.The number of layers above the epitaxial layer.