Ultra-high gain transmitarray antenna for wireless backhauling at 280 GHz

Orestis Koutsos (1) , Francesco Foglia Manzillo (1) , Antonio Clemente (1) , Mathieu Caillet (1) , Ronan Sauleau (2)

1 CEA-LETI - Commissariat à l'énergie atomique et aux énergies alternatives - Laboratoire d'Electronique et de Technologie de l'Information
2 IETR - Institut d'Électronique et des Technologies du numéRique

An ultra-high gain transmitarray antenna for pointto-point backhaul links at 280 GHz is presented here. The proposed array exhibits a 3-bit phase resolution, comprising only three metal layers and no metallized vias. Thanks to a dedicated synthesis procedure, the unit-cells achieve very low losses, full phase coverage and are compatible with a standard printed circuit board process. A 140×140-element transmitarray is numerically optimized and experimentally characterized, using a 10 dBi horn as a feed. A peak gain of 44.5 dBi with 52.3% aperture efficiency and 0.9° half-power beamwidth are reported at the center frequency.

Domains: Engineering Sciences [physics]

Orestis Koutsos, Francesco Foglia Manzillo, Antonio Clemente, Mathieu Caillet, Ronan Sauleau. Ultra-high gain transmitarray antenna for wireless backhauling at 280 GHz. IRMMW-THz2022 - The 47th International Conference on Infrared, Millimeter and Terahertz Waves, Feb 2022, Delft, Netherlands. ⟨cea-03637090⟩