A Gravity Field Tunable Ultra-Wideband Absorber Based on Liquid Metal
A technology of liquid metal and wave absorber, which is applied in the direction of instruments, antennas, optics, etc., can solve problems such as difficult to obtain, inaccurate control precision, complex control means, etc., and achieve flexible design, wide application range, and convenient control means Effect
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[0040] This embodiment provides a gravity field tunable ultra-broadband wave absorber based on liquid metal, which can broaden the absorption bandwidth of the wave absorber by coating the surface of part of the resonant unit on the dielectric substrate with conductive carbon paste, thereby realizing the absorption The ultra-broadband absorption of the wave absorber, and by flipping the wave absorber, under the action of the gravitational field, the liquid metal mercury will transfer in the container to form different resonant units, and realize the dynamic regulation of the absorption performance of the wave absorber. The metamaterial wave absorber is formed by periodic arrangement of structural units.
[0041] The gravitational field tunable ultra-wideband absorber based on liquid metal proposed in this embodiment has a structure such as Figures 1 to 14 As shown, the bottom reflection plate 8, the first and second dielectric substrates 3 and 4, the resonant units 1 and 2 coa...
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