Elliptic Cylinder with Slotted Antenna Coated with Magnetic Metamaterials

Figure 4

Gain versus coating thickness for an axially slotted elliptic cylinder coated with conventional dielectric, magnetic and nonmagnetic metamaterials. 𝑎_𝑐=𝜆, 𝑏_𝑐=𝜆/2, 𝑏=𝑏_𝑐+𝑡, 𝜈₀=90^∘, and 𝛼=2.8657^∘.