D-Band High Gain Planer Slot Array Antenna using Gap Waveguide Technology - Publikacja - MOST Wiedzy

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D-Band High Gain Planer Slot Array Antenna using Gap Waveguide Technology

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A D-band high gain slot array antenna with corporate-fed distribution network based on gap waveguide structures is proposed at 140GHz. To overcome the fabrication challenges at such high frequency, the gap waveguide technology is deployed in which good electrical contact between different parts of the waveguide structure is not required. The proposed sub-array has four radiating slots that are excited by a groove gap cavity and the cavity is coupled to an E-plane groove gap waveguide via a rectangular coupling slot. A wideband and low-loss corporate feeding network based on the combined ridge gap waveguide and E-plane groove gap waveguide is designed for this case and the whole array antenna consists of 16×16 radiating slots. A standard WR6 waveguide flange is embedded at the bottom side of the feeding structure to excite the array antenna. To evaluate the design, a prototype is fabricated in Aluminum using standard CNC milling technique. The measurement results show that an impedance bandwidth of 20% (124.1-151.7 GHz), a peak gain of 31.5 dBi and maximum efficiency of 94% are achieved for the 16×16-element array antenna. The results show that the proposed array antenna has an excellent performance among the previously published D-band planar array antennas and could be a promising candidate to be used in the development of D-band front-end modules.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION strony 1 - 6,
ISSN: 0018-926X
Język:
angielski
Rok wydania:
2024
Opis bibliograficzny:
Farahbakhsh A., Zarifi D., Zaman A. U.: D-Band High Gain Planer Slot Array Antenna using Gap Waveguide Technology// IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION -, (2024), s.1-1
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1109/tap.2024.3481909
Źródła finansowania:
  • IDUB
Weryfikacja:
Politechnika Gdańska

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