A 10x20 RIS array with 200 microfabricated VO2 switches delivers 10-20 dB far-field gain enhancement over 18% bandwidth at 33 GHz and steers beams to 60 degrees.
Convolution operations on coding metasurface to reach flexible and continuous controls of terahertz beams
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A Microfabricated PCM-Switched Reconfigurable Intelligent Surface for Wideband Millimeter-Wave Beam Steering
A 10x20 RIS array with 200 microfabricated VO2 switches delivers 10-20 dB far-field gain enhancement over 18% bandwidth at 33 GHz and steers beams to 60 degrees.