Polarization-Handling Metasurfaces
A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Crystal Engineering".
Deadline for manuscript submissions: closed (30 November 2020) | Viewed by 28109
Special Issue Editor
Special Issue Information
Dear Colleagues,
I am pleased to announce this Special Issue devoted to the topic of Polarization Handling Metasurfaces.
The ability to generate, manipulate, and detect polarized radiation is a task of such importance that Nature itself learned how to do it—as the polarization vision capability of insects such as bees testifies. Mankind is however not lagging behind, learning to engineer structured materials that display unprecedented polarization handling capability. These objects, which come in the form of subwavelength or wavelength-scale thick patterned materials, are commonly named metasurfaces: according to the etymology, surfaces that go beyond (their individual constituents). Through judicious structuration, metasurfaces can accomplish tasks that ordinary materials cannot. This is particularly true for what concerns the polarization degree of freedom of light, since substances like solid-state crystals or liquid crystals show only limited values of linear and/or circular birefringence and diattenuation. Metasurfaces can also exploit resonance effects to operate in multiband fashion and can be arranged to display spatial phase-gradient phenomena or to implement computer-generated holograms. Other active fronts in the field are the search for specific target operations by inverse-design techniques and the investigation of reconfigurable and tunable metasurfaces.
The aim of the present Issue is to collect novel results concerning this exciting field that lies at the crossing point among classical electromagnetism, physics of structured materials, radiofrequency technology, nanoscience, and photonics. Articles based on experimental, analytical, and numerical data will be considered and subject to rigorous peer-review before undergoing an editorial decision.
Dr. Simone Zanotto
Guest Editor
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Keywords
- Birefringence
- Dichroism, diattenuation
- Chirality
- Anisotropy, bianisotropy
- Faraday and Kerr effects, nonreciprocity
- Reconfiguration, tunability
- Inverse design
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