Results 171 to 180 of about 20,833 (309)

Tunable Chiral Electro-Optic Metasurfaces

In electro-optic (EO) materials, the optical properties change when the materials are placed in an external static or low frequency electric field [1].
Wang, Luyao, Shadrivov, Ilya
core   +1 more source

Body‐integrated photonic biosensors: Illuminating the path to active healthcare

FlexMat, EarlyView.
Body‐integrated photonic biosensors are promising tools for active healthcare. These optical devices can be worn, implanted, or swallowed to monitor health signals continuously. This review introduces key sensing modalities, including fluorescence, colorimetry, SPR, LSPR, SERS, and light‐modulating materials.
Jiayue Gu, Xingming Wen, Qihang Yan, Yining Zhao, Linghao Yuan, Siyuan Chen, Yue Ma, Zhengyue Fang, Dong Lei, Yuxin Liu, Ze Xiong   +10 more
wiley   +1 more source

Meta-operators: all optical and wireless image processing via metasurfaces. [PDF]

Light Sci Appl
Xu L, Rahmani M.
europepmc   +1 more source

Designing Metasurfaces for Efficient Solar Energy Conversion

Metasurfaces have recently emerged as a promising technological platform, offering unprecedented control over light by structuring materials at the nanoscale using two-dimensional arrays of subwavelength nanoresonators.
Alberto Naldoni (1537414), Alexandra Boltasseva (1548331), Vladimir M. Shalaev (1611952), Luca Mascaretti (261217), Omer Yesilyurt (11513040), Olivier Henrotte (11939154), Yuheng Chen (789985)   +6 more
core   +1 more source

A visible‐to‐infrared miniaturized indium selenide spectrometer enabled by a gate‐tunable spectral response matrix

InfoScience, EarlyView.
Traditional light‐analyzing tools, known as spectrometers, are typically too bulky and expensive to fit into portable electronics like smartphones or wearables. In this study, we developed a microscopic, high‐performance spectrometer using a material called Indium Selenide combined with smart algorithms to accurately analyze light from the visible to ...
Jing Chen, Zhen‐Hua Wang, Zheng Zhang, Hengji Li, Xiao‐Ming Wu, Tian‐Ling Ren, Hong Liu, Min Jin, Lin Han   +8 more
wiley   +1 more source

Bio‐inspired nanophotonics: Structural color, chirality, and resonance metasurfaces

InfoMat, EarlyView.
A butterfly‐wing‐inspired anisotropic plasmonic flatband resonant metasurface. Insets, photo of the butterfly, Sasakia charonda, and the SEM image of its wing scale (above); the SEM image of the metasurface (below). Abstract The dazzling colors of butterfly wings and hummingbird feathers are not painted with pigments, but crafted by nature's invisible ...
Weihan Liu, Yao Liang, Din Ping Tsai
wiley   +1 more source

Narrow-band asymmetric THz absorbers and polarizers based on impedance-matched, cloaked quasi-BICs in doped Ge microdisk metasurfaces. [PDF]

iScience
Hidalgo-Arteaga L, Pura JL, García-Cámara B, Barreda Á, Sánchez-Gil JA.   +4 more
europepmc   +1 more source

Angular Scattering Properties of Metasurfaces

This article aims at studying the angular scattering properties of bianisotropic metasurfaces and clarifying the different roles played by tangential and normal polarization densities. Different types of metasurfaces are considered for this study and are
Martin, Olivier J. F., Achouri, Karim
core   +1 more source

Recent Advances in Photonic Bound States in the Continuum: From Fundamentals to Engineering and Implementation

Laser &Photonics Reviews, EarlyView.
This review summarizes recent progress in meta‐photonics with a focus on bound states in the continuum (BICs) as a powerful platform for light confinement and control. It covers fundamental concepts, design strategies across optical regimes, symmetry breaking for practical quasi‐BICs, tunable and AI‐assisted BIC devices, and emerging applications in ...
Hafiz Saad Khaliq, Hak‐Rin Kim
wiley   +1 more source

Enhancement of in vivo 7T magnetic resonance neuroimaging via flexible metasurfaces. [PDF]

Npj Imaging
Jacobs PS, Wilson N, Brink W, Detre J, Elliott M, Reddy R.   +5 more
europepmc   +1 more source