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- W4378842756 abstract "This contribution presents a photonically excited modulated metasurface array, which enables one dimensional beam steering with a medium-to-high gain in the sub-THz range. The designed array consists of four rectangular subarrays separated 1.16×λ <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>0</inf> , with λ <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>0</inf> being the free-space wavelength at 100 GHz. This spacing permits a scanning range of +/-5° without grating lobes. The sub-arrays radiate at broadside and are excited at their center by a simple substrate integrated waveguide (SIW) circuit. The excitation consists in a Uni-Traveling-Carrier photodiodes (UTC-PD) connected to a wideband DC biasing network. The structure at hand exhibits 26 dB of gain with a 3% relative gain bandwidth, enables power-combining and it is easily scalable for higher gains." @default.
- W4378842756 created "2023-06-01" @default.
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- W4378842756 date "2023-03-26" @default.
- W4378842756 modified "2023-10-06" @default.
- W4378842756 title "Modulated metasurface array for photonic beam steering at W band" @default.
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- W4378842756 doi "https://doi.org/10.23919/eucap57121.2023.10133650" @default.
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