Slotted waveguide antenna with a near-field focused beam in one plane

A slotted waveguide providing a two-dimensional near-field focused beam is presented. This antenna focuses the beam in the E-plane and provides a wide beam in the H-plane in order to illuminate a linear array as reflect- or transmit-array antenna with a small width (100 mm) and a very large length (...

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Veröffentlicht in:	IET microwaves, antennas & propagation antennas & propagation, 2015-05, Vol.9 (7), p.634-639
Hauptverfasser:	Clauzier, Sébastien, Avrillon, Stéphane, Le Coq, Laurent, Himdi, Mohamed, Colombel, Franck, Rochefort, Erwan
Format:	Artikel
Sprache:	eng
Schlagworte:	Antennas Arrays Beams (radiation) distance 1530 mm Engineering Sciences E‐plane frequency 9.41 GHz H‐plane Ion beams linear antenna arrays linear array illumination Linear arrays microwave antenna arrays Microwave antennas reflectarray antennas reflect‐array antenna Simulation size 100 mm slot antenna arrays slotted waveguide antenna transmitting antennas transmit‐array antenna Two dimensional two‐dimensional near‐field focused beam
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Beschreibung
Zusammenfassung:	A slotted waveguide providing a two-dimensional near-field focused beam is presented. This antenna focuses the beam in the E-plane and provides a wide beam in the H-plane in order to illuminate a linear array as reflect- or transmit-array antenna with a small width (100 mm) and a very large length (1530 mm) located in the near-field region. The simulated field distribution on the array is found to be in very good agreement with the measurement of a prototype at 9.41 GHz.
ISSN:	1751-8725 1751-8733 1751-8733
DOI:	10.1049/iet-map.2014.0479