Results 301 to 310 of about 70,205 (364)

3D Dielectric Chiral Metamaterials Achieving Nondispersive Near‐Zero Ellipticity

Laser &Photonics Reviews, EarlyView.
Broadband and high‐transmission‐efficiency optical activity (OA) is a critical functionality for numerous applications but is challenging to achieve. By engineering circularly polarized (CP) eigenstates in three‐dimensional (3D) dielectric helices, a 3D‐printed ceramic metamaterial is demonstrated for broadband OA with nondispersive near‐zero ...
Kang Du, Lei Kang, Chengyun Li, Wei Zhu, Mingfei Cheng, Yiyang Cai, Bohan Zhang, Douglas H. Werner, Shengxiang Wang   +8 more
wiley   +1 more source

Metasurfaces with Multipolar Resonances and Enhanced Light-Matter Interaction. [PDF]

Nanomaterials (Basel)
Arup EM, Liu L, Mekonnen H, Bosomtwi D, Babicheva VE.   +4 more
europepmc   +1 more source

Discrete Chiral Ballistic Polariton Laser

Laser &Photonics Reviews, EarlyView.
Planar microcavities in the strong light–matter coupling regime exhibit exciton‐polariton modes with a strong chiral response toward circularly polarized light. This feature is exploited alongside inherent spin‐orbit coupling of cavity light to generate giant discrete optical vortices in polygonal arrays of exciton‐polariton condensates.
Zuzanna Werner, Andrzej Frączak, Valtýr Kári Daníelsson, Jacek Szczytko, Barbara Piętka, Helgi Sigurðsson   +5 more
wiley   +1 more source

Optical chirality of all dielectric q-BIC metasurface with symmetry breaking. [PDF]

Nanophotonics
Sun Y, He C, Deng Z, Li X, Li X, Zhang Z, Sui X, Li N, He W, Chen F.   +9 more
europepmc   +1 more source

Spatio‐Spectral Customized Light Structures for Subwavelength Highly Resolved Multiplexing of Diffractive Optics

Laser &Photonics Reviews, EarlyView.
Polarization standing waves (PSWs) created by broadband counter‐propagating light beams offer a flexible and efficient method for encoding complex and customizable structures in photosensitive materials with finely tunable periodicities and nanometric resolution.
Biagio Audia, Pasquale Pagliusi, Alfredo Mazzulla, Gabriella Cipparrone   +3 more
wiley   +1 more source

Free-standing bilayer metasurfaces in the visible. [PDF]

Nat Commun
Dorrah AH, Park JS, Palmieri A, Capasso F.   +3 more
europepmc   +1 more source

Detunable wireless ladder resonator inserts for enhanced SNR of local array coil at 1.5T MRI

Medical Physics, EarlyView.
Abstract Background Magnetic resonance imaging (MRI) is a non‐invasive technique that produces high‐resolution images with excellent soft‐tissue contrast, crucial for diagnosing various medical conditions. A key factor in MRI quality is the signal‐to‐noise ratio (SNR), which directly affects image clarity.
Ming Lu, Ruilin Wang, Yuanyuan Chen, Rangsong Li, Xiaoyue Yang, Hao Liang, Haoqin Zhu, Xinqiang Yan   +7 more
wiley   +1 more source

Physical twinning for joint encoding-decoding optimization in computational optics: a review. [PDF]

Light Sci Appl
Bian L, Zhan X, Yan R, Chang X, Huang H, Zhang J.   +5 more
europepmc   +1 more source

Optimization of microwave hyperthermia system for focused breast cancer treatment: A study using realistic digital breast phantoms

Medical Physics, EarlyView.
Abstract Background Microwave breast hyperthermia is a noninvasive treatment method for breast cancer that utilizes microwave energy (ME) sources to raise tissue temperatures above 42∘C$^{\circ }{\rm C}$, inducing tumor cell necrosis. The efficiency of ME deposition depends on the electric field magnitude and tissue conductivity, with antenna phase and
Burak Acar, Tuba Yilmaz, Ali Yapar
wiley   +1 more source

Design and analysis of terahertz trilayer achromatic grating metasurface wave plate. [PDF]

Sci Rep
Zhang J, Ma L, Gong Y.
europepmc   +1 more source