$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 
1   1    1 
0.2 0.2 0.2
...
...
... until the total layer number $totallayer

$RCWAsourcelength,$RCWAtotallayer