Beam steering metasurface
WebIn this paper, a dynamic metasurface capable of beam steering and computational imaging is proposed. Utilizing the anisotropic permittivity of the liquid crystal, scattering property of each metamaterial unit can be individually controlled. The reconfigurable metasurface provides diverse radiation patterns with specific addressing schemes. For verification, a …
Beam steering metasurface
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WebNov 27, 2024 · Switchable and active metasurfaces allow for the realization of beam steering, zoomable metalenses, and dynamic holography. To achieve this goal, one has to combine high-performance metasurfaces with switchable materials that exhibit high refractive index contrast and high switching speeds. WebNov 26, 2024 · The demonstrated metabroadcasting communication system merges optical wireless-broadcasting communications and metasurfaces, which reduces the complexity of beam-steering devices while significantly increasing their performance, opening up a new avenue for high-quality optical wireless-broadcasting communications. Conflict of Interest
WebJul 20, 2024 · The reception beam of the metasurface is determined by the gradient phase shifters in each supercell. Hence, the wave is received by the chain, acquires a power gain and is reflected at the... WebThe active metasurface device for two-dimensional beam steering was fabricated by using the complementary metal–oxide–semiconductor (CMOS) compatible processes. First, …
Webbeam steering performance with a phase modulation range as small as 180°. We validate the outlined design approach experimentally by comparing beam steering performances that are obtained using forward- and inverse-designed array profiles in a metasurface exhibiting a phase shift of approximately 220°. WebMar 20, 2024 · Ideally, one would want a semiconductor device that can emit light like an LED, steer the light emission to a set angle by applying a control voltage and shift the steering angle at the fastest...
WebApr 14, 2024 · It can be seen that the space–time-coding metasurface with the equivalent 3-bit phases has better performance of beam steering at 2 THz, in which the side lobes …
WebApr 6, 2024 · Tamed light offers new possibilities MASTERS OF LIGHT — As a red beam of light is reflected in an arch, scientists Igal Brener, left, and Prasad Iyer demonstrate optical hardware used for beam steering experiments at Sandia’s Center for Integrated Nanotechnologies.(Photo by Craig Fritz) In a breakthrough in the fields of nanophotonics … m5stick uiflowWebMar 18, 2024 · The metasurface proposed in this paper works under polarization, its beam steering plane is in the vertical plane, and the working frequency band is near 2.4 and 5.8 GHz, which matches the band of wireless communication. Therefore, the proposed metasurface is a good candidate for further RIS-assisted communication systems. kitathek downloadWebApr 6, 2024 · SHINING EXAMPLE — A metasurface sample is used for the beam steering with each reflective patch containing thousands of meta-atoms designed to dynamically … m5 sweetheart\\u0027sWebNov 26, 2024 · Abstract. Beam-steering devices, which are at the heart of optical wireless-broadcasting communication links, play an important role in data allocation and … m5stick wifiWebMar 18, 2024 · In this paper, a one-bit dual-band reconfigurable metasurface with beam steering is proposed. Since the metasurface is a dual-band design, it can not only work … kita thedinghauser str bremenWebJun 30, 2024 · The purpose of this Perspective is to assess progress on optical beam steering using dynamically tunable nanoantennas and metasurfaces. Recent results are highlighted, and the state of the field is given a critical look. KEYWORDS: steering phased array plasmonics metasurfaces materials Cited By kitatheexplorerWebMay 6, 2013 · We propose an ultra-thin planar metasurface with phase discontinuities for highly efficient beam steering. The effect benefits from the broadband transparency and … m5 super.sailboat seattl