Thin-film HTS planar antennas

Michael J. Lancaster; Hanyang Y. Wang; Jia-Sheng Hong

doi:10.1109/77.740682

Thin-film HTS planar antennas

Michael J. Lancaster^*, Hanyang Y. Wang, Jia-Sheng Hong

^*Corresponding author for this work

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

17 Citations (Scopus)

Abstract

The "H" microstrip antenna is suitable for use as an efficient small antenna when it is constructed out of superconducting thin-film materials. An aperture feed and matching network is described which provides a convenient enhancement of the capabilities of the "H" antenna. Methods of prediction of the center frequency are given. In addition, an analytical expression is developed for the farfield radiation pattern of the "H" antenna and the efficiency and Q of superconducting and copper antennas are described using this expression. It is likely that superconducting antennas will only have significant application when they are used in arrays. Three arrays are described demonstrating multiband self-diplexing multifrequency-enhanced bandwidth and multifrequency beam forming.

Original language	English
Pages (from-to)	168-177
Number of pages	10
Journal	IEEE Transactions on Applied Superconductivity
Volume	8
Issue number	4
DOIs	https://doi.org/10.1109/77.740682
Publication status	Published - Dec 1998

Keywords

High-temperature conductors
Patch antenna
Superconductor

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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AU - Lancaster, Michael J.

AU - Wang, Hanyang Y.

AU - Hong, Jia-Sheng

PY - 1998/12

Y1 - 1998/12

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AB - The "H" microstrip antenna is suitable for use as an efficient small antenna when it is constructed out of superconducting thin-film materials. An aperture feed and matching network is described which provides a convenient enhancement of the capabilities of the "H" antenna. Methods of prediction of the center frequency are given. In addition, an analytical expression is developed for the farfield radiation pattern of the "H" antenna and the efficiency and Q of superconducting and copper antennas are described using this expression. It is likely that superconducting antennas will only have significant application when they are used in arrays. Three arrays are described demonstrating multiband self-diplexing multifrequency-enhanced bandwidth and multifrequency beam forming.

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KW - Superconductor

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JO - IEEE Transactions on Applied Superconductivity

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Thin-film HTS planar antennas

Abstract

Keywords

ASJC Scopus subject areas

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