A microstrip-based leaky-wave antenna for two-sided frequency beam scanning and broadside radiation is presented. In particular, the optimized "bull-eye" ring structure is designed to support leakage of the fundamental TM mode of the guiding structure in a regime without any other leaky- or surface-wave modes. Also by following suggested design rules, to achieve good isolation between the printed rings and the TM source, a beam scan angle range of 121 degrees can be realized over an operating bandwidth of more than 40% with antenna mismatch losses of less than 0.14 dB. Supporting numerical calculations are also in agreement with the simulations and antenna measurements.

Baccarelli, P. (2013). Optimization of a Planar "Bull-Eye" Leaky-Wave Antenna Fed by a Printed Surface-Wave Source. IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, 12, 665-669 [10.1109/lawp.2013.2262572].

Optimization of a Planar "Bull-Eye" Leaky-Wave Antenna Fed by a Printed Surface-Wave Source

BACCARELLI, PAOLO
2013

Abstract

A microstrip-based leaky-wave antenna for two-sided frequency beam scanning and broadside radiation is presented. In particular, the optimized "bull-eye" ring structure is designed to support leakage of the fundamental TM mode of the guiding structure in a regime without any other leaky- or surface-wave modes. Also by following suggested design rules, to achieve good isolation between the printed rings and the TM source, a beam scan angle range of 121 degrees can be realized over an operating bandwidth of more than 40% with antenna mismatch losses of less than 0.14 dB. Supporting numerical calculations are also in agreement with the simulations and antenna measurements.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11590/327809
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