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Five Minutes with…Professor Tatsuo Itoh on Metamaterial Leaky Wave Antennas

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IDGA: You are an expert in metamaterial leaky wave antennas. First, could you describe precisely what metamaterial is? TI: Metamaterial is an artificially made structure which has electromagnetic properties not found in nature. For instance, structures with simultaneously negative permeability and negative dielectric constant can be synthesized. In such a structure the phase of the wave propagates along the opposite direction of the energy transfer, thereby backward wave can be obtained....

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