Improving the performance of the zoned fishnet metalens using the reference phase technique

V. Pacheco-Peña; Miguel Navarro-Cia; B. Orazbayev; I. V. Minin; O. V. Minin; M. Beruete

doi:10.1109/EuCAP.2016.7481551

Improving the performance of the zoned fishnet metalens using the reference phase technique

V. Pacheco-Peña, Miguel Navarro-Cia, B. Orazbayev, I. V. Minin, O. V. Minin, M. Beruete

Physics and Astronomy

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

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Abstract

The reference phase, first proposed for the design of Fresnel Zoned Plates Antennas with reduced side-lobe levels, is applied here in the design of zoned fishnet metamaterial lenses. Four different metalens designs at f = 56.7 GHz are presented with values of reference phase of 0, 0.7π, 1.4π and 2π. Numerical results demonstrate that the best focusing performance is obtained for the metalens design of 0.7π in terms of the focal length, power at the focal length, side lobe level and first null. This performance is experimentally validated by comparing the focusing properties of metalenses with (0.7π) and without reference phase (0). Experimental results demonstrate a good agreement with numerical ones with a reduction of side lobes of 2.5dB and first null of ~12dB for the design with reference phase.

Original language	English
Title of host publication	2016 10th European Conference on Antennas and Propagation (EuCAP)
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Number of pages	4
DOIs	https://doi.org/10.1109/EuCAP.2016.7481551
Publication status	Published - 16 Apr 2016

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title = "Improving the performance of the zoned fishnet metalens using the reference phase technique",

abstract = "The reference phase, first proposed for the design of Fresnel Zoned Plates Antennas with reduced side-lobe levels, is applied here in the design of zoned fishnet metamaterial lenses. Four different metalens designs at f = 56.7 GHz are presented with values of reference phase of 0, 0.7π, 1.4π and 2π. Numerical results demonstrate that the best focusing performance is obtained for the metalens design of 0.7π in terms of the focal length, power at the focal length, side lobe level and first null. This performance is experimentally validated by comparing the focusing properties of metalenses with (0.7π) and without reference phase (0). Experimental results demonstrate a good agreement with numerical ones with a reduction of side lobes of 2.5dB and first null of ~12dB for the design with reference phase.",

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doi = "10.1109/EuCAP.2016.7481551",

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Improving the performance of the zoned fishnet metalens using the reference phase technique. / Pacheco-Peña, V.; Navarro-Cia, Miguel; Orazbayev, B. et al.
2016 10th European Conference on Antennas and Propagation (EuCAP). Institute of Electrical and Electronics Engineers (IEEE), 2016.

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

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T1 - Improving the performance of the zoned fishnet metalens using the reference phase technique

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AU - Orazbayev, B.

AU - Minin, I. V.

AU - Minin, O. V.

AU - Beruete, M.

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N2 - The reference phase, first proposed for the design of Fresnel Zoned Plates Antennas with reduced side-lobe levels, is applied here in the design of zoned fishnet metamaterial lenses. Four different metalens designs at f = 56.7 GHz are presented with values of reference phase of 0, 0.7π, 1.4π and 2π. Numerical results demonstrate that the best focusing performance is obtained for the metalens design of 0.7π in terms of the focal length, power at the focal length, side lobe level and first null. This performance is experimentally validated by comparing the focusing properties of metalenses with (0.7π) and without reference phase (0). Experimental results demonstrate a good agreement with numerical ones with a reduction of side lobes of 2.5dB and first null of ~12dB for the design with reference phase.

AB - The reference phase, first proposed for the design of Fresnel Zoned Plates Antennas with reduced side-lobe levels, is applied here in the design of zoned fishnet metamaterial lenses. Four different metalens designs at f = 56.7 GHz are presented with values of reference phase of 0, 0.7π, 1.4π and 2π. Numerical results demonstrate that the best focusing performance is obtained for the metalens design of 0.7π in terms of the focal length, power at the focal length, side lobe level and first null. This performance is experimentally validated by comparing the focusing properties of metalenses with (0.7π) and without reference phase (0). Experimental results demonstrate a good agreement with numerical ones with a reduction of side lobes of 2.5dB and first null of ~12dB for the design with reference phase.

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PB - Institute of Electrical and Electronics Engineers (IEEE)

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Improving the performance of the zoned fishnet metalens using the reference phase technique

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