CST中如何生成色散曲线，求各位大神指教啊！

lizhenyue

参数如下；
( C5 h5 h  c$ \5 {7 L8 c1 wFIG. 1. (a) Dispersion relations of the THz spoof SPPs in plasmonic metamaterials
2 i8 F, H- L$ X: E* K* m1 B& C at different thicknesses, in which the black line indicates the light
+ _0 o$ M9 @4 e( B4 [ line, the blue line shows the theoretical dispersion with infinite thickness in
the y direction, and other lines are for five values of thickness (t=1000,
( L5 F" l9 a9 h# A0 ^6 U 100, 10, 1, and 0.01 um). The inset displays the corrugated metal plate with
  O3 K9 f0 Z( O0 j0 X p=h=50 um, d=40 um, and a=20 um.
; }$ u2 F7 D! C' R2 O如果过程繁琐，可以告诉在哪里可以找到解决的方法  比如书了什么的。
& W: ?: E7 y8 t( S

Xuxingfu

CST这个不知道，问的比较专业