Analysis and Design of Conformal Tapered Leaky-Wave Antennas

The theory to analyze and design tapered conformal line-source leaky-wave antennas is described in this letter. The deformation in the radiation pattern associated to the bending of the antenna is accurately predicted, and useful expressions are derived to taper the leaky-mode complex propagation co...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2011, Vol.10, p.1068-1071
Main Author: Gomez-Tornero, José Luis
Format: Article
Language:English
Subjects:
Antenna arrays
Antenna radiation patterns
Conformal antenna (CA)
geometric-optics
Leaky wave antennas
leaky-wave antennas (LWAs)
Lighting
Shape
tapered leaky modes
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Description
Summary:The theory to analyze and design tapered conformal line-source leaky-wave antennas is described in this letter. The deformation in the radiation pattern associated to the bending of the antenna is accurately predicted, and useful expressions are derived to taper the leaky-mode complex propagation constant in order to restore the high-directive radiated beam scanning at the desired angle. The analysis method and the design approach are validated with full-wave simulations of a curved tapered leaky-wave antenna in hybrid technology.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2011.2170051