E-band 3-D metal printed wideband planar horn array antenna

Vosoogh, Abbas,1984Chalmers tekniska högskola,Chalmers University of Technology (author)

This paper presents a wideband and high efficiency corporate-fed horn array antenna in the E-band. A horn antenna is used as the unit cell of the array. The radiation pattern and grating lobe levels of the unit cell are improved by splitting the horn's aperture with a septum in the E-plane. A ridge gap waveguide corporate distribution network feeds the horns with the same amplitude and phase via coupling apertures. A prototype consisting of 4 × 4-element horn array antenna is manufactured by Direct Metal Laser Sintering (DMLS) 3D printing technique. The proposed antenna has a relative bandwidth of 24% with input reflection coefficient better than -10 dB and simulated total antenna efficiency better than 85% over the 69-88 GHz frequency band.

Kildal, Per-Simon,1951Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)persimon (author)
Vassilev, Vessen,1969Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)em7vevas (author)
Uz Zaman, Ashraf,1975Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)zaman (author)
Carlsson, S. (author)
Chalmers tekniska högskola (creator_code:org_t)

In:21st International Symposium on Antennas and Propagation, ISAP 2016, Okinawa, Japan, 24-28 October 2016, s. 304-305

By the author/editor: Vosoogh, Abbas, ...; Kildal, Per-Simo ...; Vassilev, Vessen ...; Uz Zaman, Ashraf ...; Carlsson, S.

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