Polarization isolation limit for dual-polarized phased array systems

  title={Polarization isolation limit for dual-polarized phased array systems},
  author={Thomas V. Sikina and Keith D. Trott},
  journal={2010 IEEE International Symposium on Phased Array Systems and Technology},
Polarization isolation in dual polarized phased arrays is studied as an expansion of the unit cell behavior. It concludes that a fundamental polarization isolation limit exists in the diagonal far-field planes, while the principal planes exhibit no polarization limit. The diagonal plane polarization isolation limit is scan dependent, reaching a 0 dB maximum at 90°, or end-fire scan. While aperture design features may approach this limit, and manufacturing tolerances modulate it, it apparently… CONTINUE READING

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