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Interwoven convoluted element frequency selective surfaces with wide bandwidths

Interwoven convoluted element frequency selective surfaces with wide bandwidths

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The interweaving of adjacent convoluted elements of crossed dipoles is shown to give reductions in operating frequencies of almost 15 times for single layer surfaces. The frequency stability with oblique incidence is observed to be significantly better than for simple crossed dipoles. At normal incidence the fractional reflection bandwidth increases to more than 60% and the common bandwidth for oblique incidence up to 45° is 46%.

Inspec keywords: broadband antennas; frequency selective surfaces; dipole antenna arrays

Other keywords: interweaved convoluted element FSS; adjacent convoluted elements; fractional reflection bandwidth; operating frequency reduction; frequency stability; single layer surfaces

Subjects: Antenna arrays

References

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