Design and fabrication of a 3D-EBG superstrate for patch antennas

Author

Frezza, F. ; Pajewski, L. ; Piuzzi, E. ; Ponti, C. ; Schettini, G.

Author_Institution

Dept. of Electron. Eng., Univ. of Rome, Rome, Italy

fYear

2009

fDate

Sept. 29 2009-Oct. 1 2009

Firstpage

1496

Lastpage

1499

Abstract

A layer-by-layer electromagnetic band-gap (EBG) structure has been fabricated by means of alumina rods with square cross-section. The rods have been placed to form a woodpile structure; a square support with thin iron pins has been employed to obtain a precise rods alignment. The design parameters have been chosen to make the structure resonate at 11 GHz, when two identical woodpile layers are employed to form an EBG cavity. At the resonance, a unitary transmission occurs for an incident field, which can be employed in many microwave applications. In particular, a patch antenna has been fabricated to be used with the woodpile cavity, with properties of high directivity.

Keywords

microstrip antennas; photonic band gap; alumina rods; electromagnetic band-gap cavity; layer-by-layer electromagnetic band-gap structure; microwave applications; patch antennas; unitary transmission; woodpile cavity; woodpile structure; Fabrication; Frequency; Iron; Metamaterials; Patch antennas; Periodic structures; Photonic band gap; Pins; Silicon; Structural rods;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Conference, 2009. EuMC 2009. European

Conference_Location

Rome

Print_ISBN

978-1-4244-4748-0

Type

conf

Filename

5296382