Towards decreasing side lobes produced by near-field phase gradient metasurfaces

Khushboo Singh, Muhammad U. Afzal, Karu P. Esselle, Maria Kovaleva

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

Abstract

When steering or tilting the beam of a planar high-gain antenna using a near-field phase gradient metasurface, undesirable side lobes are often noted. These side lobes can be predicted reasonably well by exciting the metasurface with a normally incident uniform plane wave but direct optimisation of such an electrically large metasurface to reduce strongest undesirable side lobes is computationally very expensive. Here we have applied a more efficient approach to reduce the levels of all side lobes below-20 dB.

Original languageEnglish
Title of host publication2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting
Subtitle of host publicationproceedings
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages1207-1208
Number of pages2
ISBN (Electronic)9781728106922, 9781728106915
ISBN (Print)9781728106939
DOIs
Publication statusPublished - 2019
Event2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2019 - Atlanta, United States
Duration: 7 Jul 201912 Jul 2019

Publication series

Name
ISSN (Print)1522-3965
ISSN (Electronic)1947-1491

Conference

Conference2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2019
CountryUnited States
CityAtlanta
Period7/07/1912/07/19

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Singh, K., Afzal, M. U., Esselle, K. P., & Kovaleva, M. (2019). Towards decreasing side lobes produced by near-field phase gradient metasurfaces. In 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting: proceedings (pp. 1207-1208). Piscataway, NJ: Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/APUSNCURSINRSM.2019.8889090