Frequency-adjustable microwave absorber
An absorber, microwave technology, applied in electrical components, antennas, magnetic field/electric field shielding and other directions, can solve the problem that the absorption frequency cannot be changed, and achieve the effect of convenient processing, light weight and good absorption effect
Pending Publication Date: 2017-06-30
NANJING UNIV OF INFORMATION SCI & TECH
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The invention discloses a frequency-adjustable microwave absorber. The frequency-adjustable microwave absorber comprises a medium substrate, an anti-transmission layer and resonance unit sets, wherein the multiple resonance unit sets are arranged on a top surface of the medium substrate with intervals, a back surface of the medium substrate is provided with the anti-transmission layer, the resonance unit sets comprise first metal horizontal stripes and second metal horizontal stripes, the first metal horizontal stripes and the second metal horizontal stripes are parallelly arranged, multiple sets of first metal vertical stripes and second metal vertical stripes which are oppositely arranged are arranged between the first metal horizontal stripes and the second metal horizontal stripes, and tail ends of the first metal vertical stripes and the second metal vertical stripes are connected through a variable capacitance diode. The frequency-adjustable microwave absorber is advantaged in that equivalent capacitance can be changed through an applied inverse bias voltage, so absorption frequency can be continuously adjusted in a quite wide scope, the structure is simple and easy to process, the conformal effect is realized, and the microwave absorber has quite high engineering application values.
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Property | Measurement | Unit |
Thickness | 2.0 | mm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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