Results 71 to 80 of about 4,317 (190)
Mikrometeorite und ihr Ursprung im Sonnensystem: Außerirdischer Staub zum Anfassen
Physik in unserer Zeit, EarlyView.Mit einer Größe, die der Dicke eines Haares entspricht, sind Mikrometeorite kaum sichtbar für das bloße Auge. Dennoch werden sie seit etwa 150 Jahren gesammelt, und seit wenigen Jahren sogar auf unseren Hausdächern. Als Kostproben von Asteroiden oder Kometen stellen sie wertvolle Boten unseres Sonnensystems dar.
Jenny Feige
wiley +1 more source
Distinct thermal effect on biological tissues using subwavelength ultrasound metalens at megahertz
iScience, 2023 Summary: Ultrasound focusing plays an important role in biomedical therapy and diagnosis. Acoustic metalens has showcased remarkable focusing performance but yet to be implemented to the practical ultrasound therapeutic applications.
Yan Zheng +5 more
doaj +1 more source
Spin Readout Techniques of the Nitrogen-Vacancy Center in Diamond
, 2018 The diamond nitrogen-vacancy (NV) center is a leading platform for quantum information science due to its optical addressability and room-temperature spin coherence.
Bassett, Lee C. +2 more
core +1 more source
Nanophotonics, Volume 15, Issue 9, 13 May 2026.This study presents a novel one‐step femtosecond laser modification technique for fabricating high‐quality periodic metasurfaces on lithium niobate thin films without surface damage and scattering centers. Under oblique incidence at 1030 nm, a 4.75‐fold enhancement in second‐harmonic generation efficiency is achieved through complementary mechanisms ...
Feifei Wang +7 more
wiley +1 more source
Research on inspection method of metalens based on phase-shifting interference
Results in PhysicsWith the ultra-thin thickness and excellent performance, metalens are bi-dimensional optical elements composed of nanopatterned structures that demonstrate significant potential for various applications such as holography, planar imaging and tomography ...
Wei-Han Li +11 more
doaj +1 more source
Results in Physics, 2023 Metasurface lenses (or metalenses) have aroused great attentions and efforts in the community of metamaterials or metasurfaces due to its ultrathin device dimension and superior focusing performances. High-efficiency transmissive metalenses with an ultra-
Yong-Qiang Liu +10 more
doaj +1 more source
Terahertz Metasurface for Spatial Detection of Full Stokes Parameters and Polarization Imaging
Nanophotonics, Volume 15, Issue 9, 13 May 2026.This work presents a THz polarization analyzer with significantly improved robustness against nonuniformity. By integrating four polarization‐sensitive meta‐atoms into a meta‐cell, the metalens splits incident light into six polarization components and generates off‐axis focal spots.
Shengnan Guan +5 more
wiley +1 more source
Terahertz Encryption With a Polarization‐Sensitive Metasurface
Nanophotonics, Volume 15, Issue 9, 13 May 2026.We propose a dual‐functional terahertz encryption metasurface that enables independent information retrieval in both the near field and the far field within a single device. In the near field, polarization‐selective amplitude modulation reveals textual patterns, whereas in the far field, phase engineering encodes multiple digital data in focal‐spot ...
Yixuan He +4 more
wiley +1 more source
High-efficiency SOI-based metalenses at telecommunication wavelengths
Nanophotonics, 2022 We demonstrated silicon-on-insulator (SOI)-based high-efficiency metalenses at telecommunication wavelengths that are integrable with a standard 220 nm-thick silicon photonic chip.
Ryu Taesu +4 more
doaj +1 more source
Micromachines, 2021 The advent of the ‘lab-on-fiber’ concept has boosted the prosperity of optical fiber-based platforms integrated with nanostructured metasurface technology which are capable of controlling the light at the nanoscale for multifunctional applications. Here,
Qiancheng Zhao +3 more
doaj +1 more source