modelling of infinite dielectric half-space in CST

Hi i would be glad if somebody let me know about modelling of infinite dielectric half-space in CST...... Basically i need to put my antenna on silicon lens for submillimeter wave applications

Regards

Imran

In the boundary choose the right axis then check periodic instead open in the lower side and the other side

pl

thanks

if i make a half sphere big enough so as represent an infinite half sphere beneath my antenna, will it also behave as an infinite substrate half-space...?

Actually i want to place my antenna on a big half sphere silicon lens....... ? How to draw half sphere beneath the antenna ? there is an option of full sphere in CST......i would be glad if you help me out in this regard.......

PS:
Hi

i am confused about the line impedance which appear in port modes and the impdeance matrix....If we are using one wave port, line impedance should be equal to Z11....but in my case, its entirely different..... Also wave impedance in my case is different from 377 ohms.... I would be glad if somebody could answer this question...... ?

waiting for the reply

try to use only x and y walls open
regards

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