Results 111 to 120 of about 25,634 (258)

Experimental Realization of On‐Chip Surface Acoustic Wave Metasurfaces at Sub‐GHz

Advanced Science
Metasurfaces, consisting of subwavelength‐thickness units with different wave responses, provide an innovative possible method to manipulate elastic and acoustic waves efficiently.
Wan Wang, Maciej Baranski, Yabin Jin, Roland Salut, Djaffar Belharet, Jean‐Michel Friedt, Yongdong Pan, Yanxun Xiang, Fu‐zhen Xuan, Abdelkrim Khelif, Sarah Benchabane   +10 more
doaj   +1 more source

Liquid crystal metasurfaces

Metasurfaces are engineered materials with unique physical properties not found in conventional materials. These characteristics transform the interaction between light and matter, allowing for the manipulation of electromagnetic waves in highly ...
Petronella F., De Sio L., De Sio, Luciano, Zaccagnini F., De Mei, Vincenzo, De Mei V., Zaccagnini, Federica, Petronella, Francesca   +7 more
core   +1 more source

Giant Magnetic Purcell Effect Induced by High‐Order Mie Resonances

Advanced Science, EarlyView.
High‐order Mie resonances in dielectric spheres selectively amplify magnetic dipole emission from Eu3+ emitters, producing a giant magnetic Purcell effect. Localized emitters can efficiently access high‐order resonant modes, and the low‐loss TiO2 platform enables direct far‐field observation of the enhanced emission.
Haonan Shi, Ningning Song, Anjun Huang, Zhengwen Yang, Jingbo Sun, Yongzheng Wen, Ji Zhou   +6 more
wiley   +1 more source

Infrared beam-shaping on demand via tailored geometric phase metasurfaces employing the plasmonic phase-change material In3SbTe2

Nature Communications
Conventional optical elements are bulky and limited to specific functionalities, contradicting the increasing demand of miniaturization and multi-functionalities.
Lukas Conrads, Florian Bontke, Andreas Mathwieser, Paul Buske, Matthias Wuttig, Robert Schmitt, Carlo Holly, Thomas Taubner   +7 more
doaj   +1 more source

Research Progress of Electrically Controlled Reconfigurable Polarization Manipulation Using Metasurface

Leida xuebao
Metasurfaces are two-dimensional artificial structures with numerous subwavelength elements arranged periodically or aperiodically. They have demonstrated their exceptional capabilities in electromagnetic wave polarization manipulation, opening new ...
Hongcheng ZHOU, Xiaoran YU, Yu WANG, Zhongming YAN   +3 more
doaj   +1 more source

Metasurface‐Enabled Helical Wavefront Fingerprint Metrology for Quantitative Retrieval of Liquid Optical Constants

Advanced Science, EarlyView.
A metasurface‐enabled helical wavefront fingerprint (MHWF) paradigm is proposed for quantitative and specific retrieval of a liquid medium's refractive index and extinction coefficient. The liquid's complex dielectric response governs the wavefront evolution of the metasurface‐generated focused vortex beam, forming a distinctive three‐dimensional ...
Yuting Zhou, Hongliang Li, Simeng Li, Feiyu Jiao, Yansong Du, Jin Tae Kim, Sang‐Shin Lee, Duk‐Yong Choi, Fei Ding, Xuechao Yu, Xun Guan   +10 more
wiley   +1 more source

A Review of Solid-State LiDAR Principles and Metasurface-Based LiDAR Sensors

Sensors
Light Detecting and Ranging (LiDAR) has been a promising solution for autonomous vehicles. For beam-steering mechanisms, solid-state LiDAR with microelectromechanical systems (MEMS) and optical phased arrays (OPAs) have demonstrated robust and compact ...
Elif Demirbas, Braden Boucher, Matthew Baker, Joshua Andrews, William Cruz, Sara Mueller, Samuel Serna-Otalvaro   +6 more
doaj   +1 more source

Active Coding Piezoelectric Metasurfaces

, 2022
The manipulation of acoustic waves plays an important role in a wide range of applications. Currently, acoustic wave manipulation typically relies on either acoustic metasurfaces or phased array transducers.
Yang, Shenghui, Zheng, Chenxi, Chen, Dongdong, Zhao, Jianxin, Niu, Gang, Ren, Wei, Li, Zhaoxi, Li, Yi, Hou, Chenxue, Quan, Yi, Wu, Heping, Xiao, Meng, Li, Di, Fei, Chunlong, Yang, Yintang, Zhao, Tianlong   +15 more
core  

Transparent Topological Meta‐Diplexer via Tightly Confined Valley Surface States

Advanced Science, EarlyView.
An optically transparent topological metasurface supporting tightly confined valley surface states enables robust and flexible wave routing in an ultrathin platform. A compact transparent meta‐diplexer with spatially and spectrally separated channels is realized, while communication experiments verify high‐fidelity signal transmission, opening new ...
Sijie Li, Ping Li, Zhihao Lan, Yin Li, Hang Wong, Menglin L.N. Chen   +5 more
wiley   +1 more source

Efficient Cholesteric Liquid Crystal Waveguide Polarizing Splitters for High‐Sensitivity Chip‐Scale Atomic Magnetometry

Advanced Science, EarlyView.
An integrated polarimetry architecture based on a cholesteric liquid crystal waveguide polarization splitter overcomes the volumetric bottleneck in chip‐scale atomic magnetometers. By leveraging Bragg‐selective reflection and total‐internal‐reflection‐induced helicity inversion, this ultrathin device enables efficient circular polarization splitting ...
Zhibo Cui, Chuang Wang, Xiangyang Zhou, Gaopu Hou, Jinsheng Hu, Mao Ye, Xu Xiao, Zhen Chai, Yishi Weng, Yuning Zhang   +9 more
wiley   +1 more source