Thick Vivaldi antenna for focal plane applications

Author

Sarkis, Remi ; Craeye, Christophe ; Veidt, Bruce

Author_Institution

ICTEAM, Univ. Catholique de Louvain, Louvain-la-Neuve, Belgium

fYear

2011

fDate

3-8 July 2011

Firstpage

1988

Lastpage

1991

Abstract

This communication deals with the design of metal only thick Vivaldi antenna, hollow inside to host a Low Noise Amplifier adjacent to the antenna, that is suitable to focal plane array devoted to radio astronomy. The impedance frequency band of the array goes from 0.75 GHz to 1.5 GHz and has a half-power beam width of 60 degrees over the same frequency band. Numerical simulations have been carried out to study the radiation patterns using the Method-of-Moments approach for infinite array simulations, followed by the implementation of fast numerical methods combining the Array Scanning Method with Macro basis Functions for the simulation of an array consisting of 5x5 elements.

Keywords

UHF antennas; antenna radiation patterns; broadband antennas; focal planes; low noise amplifiers; method of moments; radioastronomy; slot antenna arrays; array scanning method; focal plane applications; focal plane array; frequency 0.75 GHz to 1.5 GHz; impedance frequency band; infinite array simulations; low noise amplifier; macro basis functions; metal only thick Vivaldi antenna; method-of-moments; numerical simulations; radiation patterns; radio astronomy; Antenna arrays; Antenna radiation patterns; Arrays; Current distribution; Finite element methods; Three dimensional displays; Vivaldi antennas; array scanning method; focal plane array; infinite array simulation; macro basis functions; taper slot antenna; vivaldi 3D;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation (APSURSI), 2011 IEEE International Symposium on

Conference_Location

Spokane, WA

ISSN

1522-3965

Print_ISBN

978-1-4244-9562-7

Type

conf

DOI

10.1109/APS.2011.5996895

Filename

5996895