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Two-Dimensional Glide-Symmetric Dielectric Structures for Planar Graded-Index Lens Antennas | IEEE Journals & Magazine | IEEE Xplore

Two-Dimensional Glide-Symmetric Dielectric Structures for Planar Graded-Index Lens Antennas


Abstract:

In this letter, we propose and study a 2-D glide-symmetric dielectric periodic structure. We demonstrate that glide symmetry broadens the bandwidth of operation and achie...Show More

Abstract:

In this letter, we propose and study a 2-D glide-symmetric dielectric periodic structure. We demonstrate that glide symmetry broadens the bandwidth of operation and achieves lower effective refractive indices when compared to non-glide configurations. These two properties are beneficial for producing graded-index lens antennas. To demonstrate the potential of the proposed unit cell, we designed a Luneburg lens operating in the K- and K_\text {a}\!-bands. The lens was manufactured with conventional additive manufacturing and it has a potential use for future wireless communications given its low-cost and low-profile.
Published in: IEEE Antennas and Wireless Propagation Letters ( Volume: 20, Issue: 11, November 2021)
Page(s): 2171 - 2175
Date of Publication: 24 June 2021

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