Curvilinear Antennas above a Spherical HIS

Mikal Askarian Amiri; Constantine A. Balanis; Craig R. Birtcher; George C. Barber

doi:10.1109/TAP.2020.2981718

Curvilinear Antennas above a Spherical HIS

Mikal Askarian Amiri, Constantine A. Balanis, Craig R. Birtcher, George C. Barber

Electrical, Computer, and Energy Engineering, School of (IAFSE-ECEE)

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

A novel artificial magnetic conductor (AMC) ground plane with spherical curvature is proposed. The metallic patches used to form the high impedance surface (HIS) ground plane are of circular periodicity. A detailed description on the design procedure and reflection phase characterization of such ground planes is provided. The impact of the curvature on the reflection characteristics and the maximum curvature which can be applied to the flat HIS are also examined. Two curvilinear antenna elements (loop and spiral) are located above the designed ground plane, and their performances are compared when the two are placed on a flat HIS. Measurements are performed to validate the simulations. An excellent agreement is attained.

Original language	English (US)
Article number	9055446
Pages (from-to)	7208-7213
Number of pages	6
Journal	IEEE Transactions on Antennas and Propagation
Volume	68
Issue number	10
DOIs	https://doi.org/10.1109/TAP.2020.2981718
State	Published - Oct 2020

Keywords

Curved ground planes
high impedance surfaces (HISs)
loop antenna
spiral antenna
wideband element

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/TAP.2020.2981718

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title = "Curvilinear Antennas above a Spherical HIS",

abstract = "A novel artificial magnetic conductor (AMC) ground plane with spherical curvature is proposed. The metallic patches used to form the high impedance surface (HIS) ground plane are of circular periodicity. A detailed description on the design procedure and reflection phase characterization of such ground planes is provided. The impact of the curvature on the reflection characteristics and the maximum curvature which can be applied to the flat HIS are also examined. Two curvilinear antenna elements (loop and spiral) are located above the designed ground plane, and their performances are compared when the two are placed on a flat HIS. Measurements are performed to validate the simulations. An excellent agreement is attained. ",

keywords = "Curved ground planes, high impedance surfaces (HISs), loop antenna, spiral antenna, wideband element",

author = "Amiri, {Mikal Askarian} and Balanis, {Constantine A.} and Birtcher, {Craig R.} and Barber, {George C.}",

note = "Funding Information: Manuscript received March 26, 2019; revised February 3, 2020; accepted March 1, 2020. Date of publication April 2, 2020; date of current version October 6, 2020. This work was supported in part by the ASU Advanced Helicopter Electromagnetics (AHE) Program. (Corresponding author: Constantine A. Balanis.) Mikal Askarian Amiri, Constantine A. Balanis, and Craig R. Birtcher are with the School of Electrical, Computer and Energy Engineering, Arizona State University (ASU), Tempe, AZ 85287 USA (e-mail: mikal.askarianamiri@asu.edu; balanis@asu.edu; craig.birtcher@asu.edu). Publisher Copyright: {\textcopyright} 2020 IEEE.",

year = "2020",

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AU - Birtcher, Craig R.

AU - Barber, George C.

N1 - Funding Information: Manuscript received March 26, 2019; revised February 3, 2020; accepted March 1, 2020. Date of publication April 2, 2020; date of current version October 6, 2020. This work was supported in part by the ASU Advanced Helicopter Electromagnetics (AHE) Program. (Corresponding author: Constantine A. Balanis.) Mikal Askarian Amiri, Constantine A. Balanis, and Craig R. Birtcher are with the School of Electrical, Computer and Energy Engineering, Arizona State University (ASU), Tempe, AZ 85287 USA (e-mail: mikal.askarianamiri@asu.edu; balanis@asu.edu; craig.birtcher@asu.edu). Publisher Copyright: © 2020 IEEE.

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AB - A novel artificial magnetic conductor (AMC) ground plane with spherical curvature is proposed. The metallic patches used to form the high impedance surface (HIS) ground plane are of circular periodicity. A detailed description on the design procedure and reflection phase characterization of such ground planes is provided. The impact of the curvature on the reflection characteristics and the maximum curvature which can be applied to the flat HIS are also examined. Two curvilinear antenna elements (loop and spiral) are located above the designed ground plane, and their performances are compared when the two are placed on a flat HIS. Measurements are performed to validate the simulations. An excellent agreement is attained.

KW - Curved ground planes

KW - high impedance surfaces (HISs)

KW - loop antenna

KW - spiral antenna

KW - wideband element

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Curvilinear Antennas above a Spherical HIS

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