On-chip integrated metasystem with inverse-design wavelength demultiplexing for augmented reality

Y Liu, Y Shi, Z Wang, Z Li - ACS Photonics, 2023 - ACS Publications
On-chip optical devices and systems hold great promise for high-performance, versatile, and
practical display applications including augmented reality (AR). The recent innovation of …

On-chip meta-optics for semi-transparent screen display in sync with AR projection

Y Shi, C Wan, C Dai, S Wan, Y Liu, C Zhang, Z Li - Optica, 2022 - opg.optica.org
On-chip integrated meta-optics could enable high-performance, lightweight, and compact
integrated photonic devices for augmented reality (AR). Despite previous endeavors in …

Block copolymer gyroids for nanophotonics: significance of lattice transformations

H Park, S Jo, B Kang, K Hur, SS Oh, DY Ryu, S Lee - Nanophotonics, 2022 - degruyter.com
A gyroid crystal possesses a peculiar structural feature that can be conceptualized as a triply
periodic surface with a constant mean curvature of zero. The exotic optical properties such …

Shapeshifting diffractive optical devices

SL Oscurato, F Reda, M Salvatore… - Laser & Photonics …, 2022 - Wiley Online Library
In optical devices like diffraction gratings and Fresnel lenses, light wavefront is engineered
through the structuring of device surface morphology, within thicknesses comparable to the …

Fourier Surfaces Reaching Full‐Color Diffraction Limits

Y Lim, SJ Hong, YD Cho, J Bang, S Lee - Advanced Materials, 2024 - Wiley Online Library
Abstract Optical Fourier surfaces (OFSs), characterized by sinusoidally profiled diffractive
optical elements, can outperform traditional binary‐type counterparts by minimizing optical …

Accurate morphology-related diffraction behavior of light-induced surface relief gratings on azopolymers

F Reda, M Salvatore, F Borbone… - ACS Materials …, 2022 - ACS Publications
Holographic relief gratings can be fabricated directly on the surface of azobenzene-
containing materials (or simply azomaterials) without additional development steps. Despite …

Complex Fourier surfaces by superposition of multiple gratings on azobenzene thin films

A Berdin, HT Rekola, A Priimagi - Advanced Optical Materials, 2024 - Wiley Online Library
Diffractive optical elements (DOE) are integral components for lightweight and ultra‐thin
optical elements due to their ability to manipulate light efficiently and accurately. However …

Large‐Scale Multiplexed Azopolymer Gratings with Engineered Diffraction Behavior

SL Oscurato, F Reda, M Salvatore… - Advanced Materials …, 2021 - Wiley Online Library
The diffraction of polychromatic light from periodic superficial structures is often responsible
for the structural colors observed in Nature. Similarly, engineered microtextures fabricated …

A field guide to azopolymeric optical fourier surfaces and augmented reality

Y Lim, B Kang, SJ Hong, H Son, E Im… - Advanced Functional …, 2021 - Wiley Online Library
Abstract Optical Fourier surfaces (OFSs) are used for various applications, from diffractive
optics to augmented reality (AR). However, the current methods of fabricating OFSs primarily …

Reprogrammable holograms from maskless surface photomorphing

F Reda, M Salvatore, M Astarita… - Advanced Optical …, 2023 - Wiley Online Library
Holographic technologies have been envisioned as potentially impacting many areas of
everyday life, including science, entertainment, and healthcare, but their adoption is still at …