A Novel Technique for Open-Stopband Suppression in 1-D Periodic Printed Leaky-Wave Antennas

@article{Paulotto2009ANT,
  title={A Novel Technique for Open-Stopband Suppression in 1-D Periodic Printed Leaky-Wave Antennas},
  author={Simone Paulotto and Paolo Baccarelli and Fabrizio Frezza and D. R. Jackson},
  journal={IEEE Transactions on Antennas and Propagation},
  year={2009},
  volume={57},
  pages={1894-1906}
}
A novel technique for the elimination of the open stopband in one-dimensional periodic printed leaky-wave antennas is presented. A quarter-wave transformer, or alternatively a matching stub, is introduced into the unit cell of the antenna, which forces the Bloch-wave impedance of the structure to remain real and non-zero at broadside. The effectiveness of the proposed technique is first demonstrated on a printed periodic microstrip leaky-wave antenna consisting of a single radiating stub per… CONTINUE READING
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