In this paper a microstrip periodic leaky-wave antenna optimized for radiation scanning through broadside is presented. This antenna is based on the excitation of a leaky mode that propagates along the structure, with radiation occurring from the -1 space harmonic. The specific geometry of the metalization inside the unit cell permits a continuous scanning from the backward to the forward quadrant without any degradation of the beam, avoiding the presence of open-stopband effects. This new design provides a valid alternative to metamaterial leaky-wave antennas already presented in the literature and demonstrates the possibility of obtaining a conventional microstrip periodic LWA operating in the -1 harmonic with a backfire-to-endfire frequency-scanning capability.

A Microstrip Periodic Leaky-Wave Antenna Optimized for Broadside Scanning / Paulotto, Simone; Baccarelli, Paolo; Frezza, Fabrizio; D. R., Jackson. - ELETTRONICO. - (2007), pp. 5789-5792. ((Intervento presentato al convegno IEEE AP-S International Symposium on Antennas and Propagation tenutosi a Honolulu, USA nel 10-15 giugno 2007 [10.1109/APS.2007.4396867].

A Microstrip Periodic Leaky-Wave Antenna Optimized for Broadside Scanning

PAULOTTO, Simone;BACCARELLI, Paolo;FREZZA, Fabrizio;
2007

Abstract

In this paper a microstrip periodic leaky-wave antenna optimized for radiation scanning through broadside is presented. This antenna is based on the excitation of a leaky mode that propagates along the structure, with radiation occurring from the -1 space harmonic. The specific geometry of the metalization inside the unit cell permits a continuous scanning from the backward to the forward quadrant without any degradation of the beam, avoiding the presence of open-stopband effects. This new design provides a valid alternative to metamaterial leaky-wave antennas already presented in the literature and demonstrates the possibility of obtaining a conventional microstrip periodic LWA operating in the -1 harmonic with a backfire-to-endfire frequency-scanning capability.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/365818
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