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Polya Elements With Application to Antennas, Thin Absorbers and Filters

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5 Author(s)
Yunhong Liu ; Western Digital Corporation, Irvine, CA, USA ; Seunghwan Yoon ; Javier R. De Luis ; Franco De Flaviis
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This article introduces the 2-D Polya fractal and its evolution into the modified Polya curve (MPC). The MPC is assigned a linewidth, which, together with the MPC order and shaping factor, provides optimization parameters for specific device applications. The MPCs are selected to generate useful shapes that fit within a chosen triangular envelope. These are applied as basis elements and are employed to organize families of polygonal shapes that may be used to design antennas, frequency-selective surfaces, metamaterials, ultrathin absorbers, and filters. MPCs may also be modified for implementation in 3-D geometries.

Published in:

IEEE Transactions on Antennas and Propagation  (Volume:60 ,  Issue: 11 )