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Metasurface-driven optically variable devices
Optically variable devices (OVDs) are in tremendous demand as optical indicators against
the increasing threat of counterfeiting. Conventional OVDs are exposed to the danger of …
the increasing threat of counterfeiting. Conventional OVDs are exposed to the danger of …
Metasurface-empowered optical cryptography
Abstract Information security is of great importance in every aspect of life, spawning
numerous modern cryptographic strategies to protect data from stealing and deciphering …
numerous modern cryptographic strategies to protect data from stealing and deciphering …
Multicolor and 3D holography generated by inverse‐designed single‐cell metasurfaces
Metasurface‐generated holography has emerged as a promising route for fully reproducing
vivid scenes by manipulating the optical properties of light using ultra‐compact devices …
vivid scenes by manipulating the optical properties of light using ultra‐compact devices …
Pushing the limits of functionality‐multiplexing capability in metasurface design based on statistical machine learning
As 2D metamaterials, metasurfaces provide an unprecedented means to manipulate light
with the ability to multiplex different functionalities in a single planar device. Currently, most …
with the ability to multiplex different functionalities in a single planar device. Currently, most …
[PDF][PDF] Time-sequential color code division multiplexing holographic display with metasurface
Color metasurface holograms are powerful and versatile platforms for modulating the
amplitude, phase, polarization, and other properties of light at multiple operating …
amplitude, phase, polarization, and other properties of light at multiple operating …
Single-step manufacturing of hierarchical dielectric metalens in the visible
Metalenses have shown a number of promising functionalities that are comparable with
conventional refractive lenses. However, current metalenses are still far from …
conventional refractive lenses. However, current metalenses are still far from …
Stimuli‐responsive dynamic metaholographic displays with designer liquid crystal modulators
Flat optics, realized by the artificially created 2D material platform called optical
metasurfaces, is currently undergoing a science‐to‐technology transition. However,“real …
metasurfaces, is currently undergoing a science‐to‐technology transition. However,“real …
Nanoimprint lithography for high-throughput fabrication of metasurfaces
Metasurfaces are composed of periodic sub-wavelength nanostructures and exhibit optical
properties that are not found in nature. They have been widely investigated for optical …
properties that are not found in nature. They have been widely investigated for optical …
Scalable Nanoimprint Lithography Process for Manufacturing Visible Metasurfaces Composed of High Aspect Ratio TiO2 Meta-Atoms
We report a one-step additive manufacturing process to fabricate metalenses for visible
wavelengths. Nanostructures with aspect ratios larger than eight and critical dimensions …
wavelengths. Nanostructures with aspect ratios larger than eight and critical dimensions …
Integrated metasurfaces with microprints and helicity‐multiplexed holograms for real‐time optical encryption
Optical encryption with multichannel, high complexity, and artistry characteristics has
become one of the most significant approaches for modern information security. Recently …
become one of the most significant approaches for modern information security. Recently …