Looking for info about vivaldi antenna design

[paow]

Hi to all,
I am going to do project. It is designing of vivaldi antenna for 2 - 6 GHz frequency range on FR4 (Er = 4.4) substrate with CST MS. Could anyone tell me about the informations or websites or books.
Thank you for advices.

 

[GVVIN]

Re: vivaldi antenna

About Substate you can refer

also one CST paper https://www.cst.com/Content/Applications/Article/Article.aspx?id=15

To start with
Regards
GV