$RCWArefractiveindexreal

$RCWArefractiveindexreal required setting tag the real refractive index. This number needs to be set in the beginning of input file. It relates to $RCWAlamdalength and $RCWAtotallayer.

Example

$RCWArefractiveindexreal 

       lamda1 lamda2 lamda3 

layer1 1 1 1

$RCWAsourcelength,$RCWAtotallayer