Terahertz wave absorption body capable of dynamically and continuously adjusting absorbing bandwidth
A wave absorber and dynamic technology, applied in the terahertz field, can solve the problem that the absorption bandwidth cannot be dynamically and continuously adjusted
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[0022] Such as figure 1 As shown, the terahertz absorber with dynamic and continuously adjustable absorption bandwidth according to the present invention includes at least 4 absorber units arranged in a matrix, and each absorber unit is in the shape of a cuboid, and its cross section is square. Each absorber unit is mainly composed of a silicon substrate 1, a silicon nitride layer 2, an electrode layer 3 and a polysilicon pattern layer, wherein:
[0023] The upper and lower surfaces of the silicon nitride layer 2 are respectively attached to the lower surface of the electrode layer 3 and the upper surface of the silicon substrate 1, and the electrode layer 3 is located directly above the silicon nitride layer 2, and the silicon substrate 1 is located on the silicon nitride layer. directly above 2; in the middle of the electrode layer 3 and at the four vertices are provided with holes for anchor points 8 to pass through, the depth of the holes penetrates the thickness of the e...
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