Abstract
In this work, the transmission characteristics of a millimeter wave photonic crystal waveguide formed by square lattice Al2O3 ceramic rods array are numerically and experimentally investigated. Based on the numerical simulations of photonic crystals, the corresponding experiments are performed, which are consistent with the numerical results. The transmission efficiency of photonic crystal waveguide with three-dimensional model is studied using finite element method. The measured transmission efficiency of the prototype photonic crystal waveguide is better than −1.5 dB in frequency range 23.6–29.8 GHz. Since the designed photonic crystal waveguide is wide band, low loss and easy integration; it is potential to be applied in millimeter communication systems.
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