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1 August 2021 Recent progress in liquid-crystal-tunable dielectric metasurfaces
Isabelle Staude
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Proceedings Volume 11797, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX; 117970L (2021) https://doi.org/10.1117/12.2595146
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States
Abstract
Typically, the functionality of an optical metasurface is “hard‐coded” in its fabricated design. However, it is highly desirable to dynamically tune or even freely program the metasurface functionality also after fabrication. Recently, we have demonstrated strong active tuning of spatially homogeneous Mie‐resonant silicon metasurface by integration into nematic liquid crystal cells. This talk will review our recent advances in this field. In particular, examples of dynamic wavefront control and emission pattern tuning will be discussed. Our results can be of interest for the realization of future metasurface-based devices that can be dynamically reconfigured on demand.
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Isabelle Staude "Recent progress in liquid-crystal-tunable dielectric metasurfaces", Proc. SPIE 11797, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX, 117970L (1 August 2021); https://doi.org/10.1117/12.2595146
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KEYWORDS
Dielectrics
Liquid crystal on silicon
Liquid crystals
Silicon
Wavefronts
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