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Volume 10
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10.3390/coatings10020180
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Article

A Tunable Beamforming Ferroelectric Lens for Millimeter Wavelength Ranges

by
Roman Platonov
*,†,
Andrey Altynnikov
† and
Andrey Kozyrev
†
Department of Physical Electronics and Technology, St. Petersburg Electrotechnical University (“LETI”), Prof. Popova St. 5, 197376 St. Petersburg, Russia
*
Author to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Coatings 2020, 10(2), 180; https://doi.org/10.3390/coatings10020180
Submission received: 21 January 2020 / Revised: 11 February 2020 / Accepted: 13 February 2020 / Published: 16 February 2020
(This article belongs to the Special Issue Ferroelectric Thin Films and Devices)
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Abstract

The advanced design of a millimeter-wave quasi-optical beamforming device (QOBD) based on the ferroelectric ceramic was elaborated and considered. Among the advantages of the proposed design are simplicity and cost-effectiveness in contrast to conventional analog and digital beamforming devices based on array antennas. The use of ferroelectric ceramic in the QOBD design allows operating in a wide frequency range up to 100 GHz. The advanced topology of discrete radiotransparent electrodes to provide a realization of different beamforming functions such as beam focusing and beam scanning was considered. The prototype of the proposed QOBD was designed to operate at 60 GHz. The measured radiation pattern of the QOBD prototype is in good agreement with the simulated one. Measurements demonstrate decreasing of beamwidth of the primary antenna radiation pattern by the lens prototype operating in the beam focusing regime.
Keywords: ferroelectric; tunable device; antenna; lens; beam focusing; beam scanning; millimeter waves ferroelectric; tunable device; antenna; lens; beam focusing; beam scanning; millimeter waves

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MDPI and ACS Style

Platonov, R.; Altynnikov, A.; Kozyrev, A. A Tunable Beamforming Ferroelectric Lens for Millimeter Wavelength Ranges. Coatings 2020, 10, 180. https://doi.org/10.3390/coatings10020180

AMA Style

Platonov R, Altynnikov A, Kozyrev A. A Tunable Beamforming Ferroelectric Lens for Millimeter Wavelength Ranges. Coatings. 2020; 10(2):180. https://doi.org/10.3390/coatings10020180

Chicago/Turabian Style

Platonov, Roman, Andrey Altynnikov, and Andrey Kozyrev. 2020. "A Tunable Beamforming Ferroelectric Lens for Millimeter Wavelength Ranges" Coatings 10, no. 2: 180. https://doi.org/10.3390/coatings10020180

APA Style

Platonov, R., Altynnikov, A., & Kozyrev, A. (2020). A Tunable Beamforming Ferroelectric Lens for Millimeter Wavelength Ranges. Coatings, 10(2), 180. https://doi.org/10.3390/coatings10020180

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