Ultra-wideband electromagnetic super-surface circular polarizer
A circular polarizer, electromagnetic super technology, applied in electrical components, antennas, etc., can solve the problem of narrow operating frequency of circular polarized devices, and achieve the effect of easy implementation and processing, simple basic structure, and good circular polarization characteristics.
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[0026] An ultra-broadband electromagnetic metasurface circular polarizer, such as figure 1 and 2 As shown, it is mainly composed of a dielectric substrate 1 , a metal resonant array and a metal ground plate 3 . The dielectric substrate 1 is an insulating material, and in a preferred embodiment of the present invention, the dielectric substrate 1 is an F4B dielectric board. The metal resonant array and the metal grounding plate 3 are metallic conductive materials coated on the dielectric substrate 1 , and in a preferred embodiment of the present invention, the metal resonating array and the metal grounding plate 3 are both copper foils.
[0027] The dielectric substrate 1 can eliminate the dispersion of the metal resonant array, and by optimizing the thickness of the dielectric substrate 1, the entire structure can exhibit non-dispersive characteristics in a wide frequency band, which greatly expands the bandwidth of the device.
[0028] The metal ground plate 3 is printed on...
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