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A new version of dielectric lined waveguide with low cross-polar radiation

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2 Author(s)
Mahmoud, S.F. ; Cairo Univ., Giza, Egypt ; Aly, M.

It is shown that while a dielectric lined circular waveguide has a low cross-polar radiation, the condition for precisely zero crosspolar level cannot be met at any real frequency. However, such a condition can be realized if the dielectric lining is transversely slotted at regular intervals, leading to a new structure which has a zero cross-polar level at a certain frequency and can sustain a lower cross-polar level over a wide band relative to the continuously lined waveguide.

Published in:

Antennas and Propagation, IEEE Transactions on  (Volume:35 ,  Issue: 2 )