For anyone interested in advanced Antenna Design check out the book:
"Frontiers in Antennas: Next Generation Design & Engineering"
by Frank Gross.
https://www.accessengineeringlibrary.com/content/book/978007....
1 Ultra-Wideband Antenna Arrays
2 Smart Antennas
3 Vivaldi Antenna Arrays
4 Artificial Magnetic Conductors/High-Impedance Surfaces
5 Metamaterial Antennas
6 Biological Antenna Design Methods
7 Reconfigurable Antennas
8 Antennas in Medicine: Ingestible Capsule Antennas
9 Leaky-Wave Antennas
10 Plasma Antennas
11 Numerical Methods in Antenna Modeling
Plasma Antennas have their own book:
"Plasma Antennas" by Theodore [Ted] Anderson.
Get the second edition.
This is their website:
https://haleakala-research.com