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7 June 2023 Dielectric metasurfaces for spatial filtering and polarization control
Lina Grineviciute, Julianija Nikitina, Ceren Babayigit, Darius Gailevicius, Kestutis Staliunas
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Proceedings Volume 12568, Metamaterials XIV; 125680J (2023) https://doi.org/10.1117/12.2669078
Event: SPIE Optics + Optoelectronics, 2023, Prague, Czech Republic
Abstract
This study was aimed to investigate the formation of thin films on a nanostructured surface. Optical characterization revealed the presence of Fano-like resonance phenomenon in such single-layer structure, surrounded by a lower refractive index media. Also, we demonstrate a 5 µm thick photonic multilayer structure composed of alternating high- and low-index materials, providing angular selectivity of light. The proposed 2D structure can be considered as a promising component for intracavity spatial filtering even in high power microlasers. Moreover, the possibility to control polarization with such photonic structures will be presented.
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Lina Grineviciute, Julianija Nikitina, Ceren Babayigit, Darius Gailevicius, and Kestutis Staliunas "Dielectric metasurfaces for spatial filtering and polarization control", Proc. SPIE 12568, Metamaterials XIV, 125680J (7 June 2023); https://doi.org/10.1117/12.2669078
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KEYWORDS
Spatial filtering
Dielectrics
Polarization control
Modulation
Multilayers
Optical filters
Optical surfaces
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