Abstract:A resonator has been manufactured using a photonic crystal at K u band frequencies. The photonic crystal has a face centered cubic Bravais lattice structure. In the transmission measurements, the photonic crystal displayed a directional bandgap with a lower band edge of 13.0 GHz, an upper band edge of 21.5 GHz, and a center frequency of 17.25 GHz. The corresponding stop bandwidth center frequency ratio is 50%. The maximum rejection at the band center is 35 dB. The unit cell rejection ratio is 7 dB per unit cel… Show more
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