Abstract
In this paper, we theoretically and experimentally demonstrate the capability to realise controllable photonic band gap (CPBG) materials applied to the conformation of the radiation pattern of a planar antenna at 12 GHz. The CPBG materials studied are variable capacitance and conductance lattices fabricated with high frequency PIN diodes soldered along wires or metallic stripes on dielectric printed boards. Depending on the diode bias, the transmission factor of the lattice is controlled. Then, the emitted radiation of an antenna can be either transmitted or totally reflected by the material. In the transmission state, the antenna radiation is angular filtered by the CPBG material. In that case, it behaves like a controllable electromagnetic lens in the allowed frequency domain of the material.
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Delustrac, A., Brillat, T., Gadot, F. et al. The use of controllable photonic band gap (CPBG) materials: An antenna application. Optical and Quantum Electronics 34, 265–277 (2002). https://doi.org/10.1023/A:1013346002839
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DOI: https://doi.org/10.1023/A:1013346002839