Microstrip antennas with integrated fibre optic feeds

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Microstrip antennas with integrated fibre optic feeds

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Several techniques for feeding microstrip antennas with RF-modulated lightwave signals using an optical fibre are presented. A photodiode on a ceramic carrier and the appropriate impedance matching circuitry are integrated on the same substrate as the patch antenna element. Configurations using patch antennas with both direct microstrip line feeds and aperture coupling are considered. Experiments with three different configurations demonstrate these techniques.

References

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      • Lee, J.J., Yen, H.W., Newberg, I., Wechsberg, M.: `A dual-band array controlled by fiber optic delay lines', IEEE Antennas and Propagation Symp. Digest, 1989, p. 690–693.
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      • Daryoush, A.S., Bontzos, K., Herczfeld, P.R.: `Optically tuned patch antennas for phased array applications', IEEE 1986 Antennas and Propagation Symp. Digest, p. 361–364.
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      • D.M. Pozar . A microstrip antenna aperture coupled to a microstrip line. Electron. Lett. , 49 - 50
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