Active Millimeter Wave Imaging Using Leaky-Wave Focusing Antenna

Mutai, Kevin Kipruto; Sato, Hiroyasu; Chen, Qiang

doi:10.1109/tap.2021.3137533

Cited by 16 publications

(1 citation statement)

References 27 publications

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“…Nevertheless, the strongest field on the interested focal plane z = 60 mm is exactly located at the designed focal position for all the focusing scenarios (Fig. 3h ), making it suitable for microwave real-time imaging systems 55 . The effects of the 1D and 2D radiating aperture on the fading distance for the Airy beam and focusing beam are investigated in Supplementary Note 6 .…”

Section: Resultsmentioning

confidence: 99%

A universal metasurface antenna to manipulate all fundamental characteristics of electromagnetic waves

Wu,

Dai,

Shum

et al. 2023

Nat Commun

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Metasurfaces have promising potential to revolutionize a variety of photonic and electronic device technologies. However, metasurfaces that can simultaneously and independently control all electromagnetics (EM) waves’ properties, including amplitude, phase, frequency, polarization, and momentum, with high integrability and programmability, are challenging and have not been successfully attempted. Here, we propose and demonstrate a microwave universal metasurface antenna (UMA) capable of dynamically, simultaneously, independently, and precisely manipulating all the constitutive properties of EM waves in a software-defined manner. Our UMA further facilitates the spatial- and time-varying wave properties, leading to more complicated waveform generation, beamforming, and direct information manipulations. In particular, the UMA can directly generate the modulated waveforms carrying digital information that can fundamentally simplify the architecture of information transmitter systems. The proposed UMA with unparalleled EM wave and information manipulation capabilities will spark a surge of applications from next-generation wireless systems, cognitive sensing, and imaging to quantum optics and quantum information science.

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Section: Resultsmentioning

confidence: 99%