Publication: Non-Mechanical Multiplexed Beam-Steering Elements Based on Double-Sided Liquid Crystal Metasurfaces
Дата
2022
Авторы
Gorkunov, M. V.
Geivandov, A. R.
Mamonova, A. V.
Simdyankin, I. V.
Ezhov, A. A.
Artemov, V. V.
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Аннотация
We propose, optimize, fabricate and test beam-steering elements based on double-sided liquid-crystal (LC) metasurfaces allowing for diffractive and spectral multiplexing, and thus covering three different beam deflection directions each. While straightforward parallel design requires one diffractive beam-steering element per a direction determined by Bragg’s law, double-sided LC-metasurfaces are remarkably flexible and allow optimization for three operation modes at different applied voltages: zero-voltage mode with dominant +1 order red light and +2 order blue light diffraction intermediate mode at 1.4–1.6 V voltage with dominant +1 order blue light diffraction and transparent mode at 5 V voltage. We comprehensively study three such elements with 6, 8 and 10 micrometer periods and verify their capability of deflecting blue and red light beams with 40–70% efficiencies in nine target directions with 10 ms characteristic switching times.
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Цитирование
Non-Mechanical Multiplexed Beam-Steering Elements Based on Double-Sided Liquid Crystal Metasurfaces / Gorkunov, M. V. [et al.] // Photonics. - 2022. - 9. - № 12. - 10.3390/photonics9120986
URI
https://www.doi.org/10.3390/photonics9120986
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https://www.scopus.com/record/display.uri?eid=2-s2.0-85144721301&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000902892800001
https://openrepository.mephi.ru/handle/123456789/27870