Results 81 to 90 of about 109,137 (327)
Terahertz Chiral Recognition Based on Metasurfaces
Advanced Photonics Research, EarlyView.A novel terahertz chiral sensing method based on a multilayer metallic metasurface is proposed. The left‐handed circularly polarized and right‐handed circularly polarized components in the linearly polarized illuminating light into two focal points and convert them back into linear polarization for convenient measurement.
Xuyang Ji +5 more
wiley +1 more source
Wavefront sets in algebraic quantum field theory
, 1998 The investigation of wavefront sets of n-point distributions in quantum field theory has recently acquired some attention stimulated by results obtained with the help of concepts from microlocal analysis in quantum field theory in curved spacetime.
Verch, Rainer
core +2 more sources
TacScope: A Miniaturized Vision‐Based Tactile Sensor for Surgical Applications
Advanced Robotics Research, EarlyView.TacScope is a compact, vision‐based tactile sensor designed for robot‐assisted surgery. By leveraging a curved elastomer surface with pressure‐sensitive particle redistribution, it captures high‐resolution 3D tactile feedback. TacScope enables accurate tumor detection and shape classification beneath soft tissue phantoms, offering a scalable, low‐cost ...
Md Rakibul Islam Prince +3 more
wiley +1 more source
Detection of phase singularities with a Shack-Hartmann wavefront sensor
, 2006 While adaptive optical systems are able to remove moderate wavefront distortions in scintillated optical beams, phase singularities that appear in strongly scintillated beams can severely degrade the performance of such an adaptive optical system ...
Aksenov +19 more
core +1 more source
Advanced Science, EarlyView.A novel approach is proposed to structural coloration overcomes the challenge of achieving high performance, color consistency, and scalability. This work introduces a single‐layer, wavelength‐selective reflector fabricated by a scalable, modulation‐assisted machining process.
Yaoke Wang, Malachi Landis, Ping Guo
wiley +1 more source
Fresnel Magnetic Imaging of Ultrasmall Skyrmion Lattices
Advanced Science, EarlyView.This study uncovers periodic contrast reversal in ultrasmall skyrmion lattice imaging through defocus‐modulated Fresnel magnetic microscopy, elucidating its origin in the sinusoidal contrast transfer function mechanism and providing fundamental insights into defocus‐mediated phase‐to‐intensity conversion processes in nanoscale magnetic imaging ...
Yongsen Zhang +11 more
wiley +1 more source
Advanced Science, EarlyView.This work introduces a beamforming‐based method to generate acoustic images from fiber‐optic distributed acoustic sensing (DAS) data. By performing 2D scanning around the sensing fiber, the approach enables near‐field imaging and localization of acoustic sources, even in regions distant from the fiber. A data‐driven DAS channel selection improves image
Marcelo A. Soto +1 more
wiley +1 more source
, 2018 We consider the mathematical background of the wavefront sensor type that is widely used in Adaptive Optics systems for astronomy, microscopy, and ophthalmology.
Hutterer, Victoria +2 more
core +1 more source
Advanced Science, EarlyView.This paper presents a programmable metasurface‐based Meta Key Distribution (MKD) system for secure, protocol‐independent key exchange in indoor wireless settings. By embedding entropy into the wireless channel, it enables lightweight, compatible cryptographic key generation.
Xinyu Li +7 more
wiley +1 more source
Real‐Time In Vivo Cellular‐Level Imaging During Puncture
Advanced Science, EarlyView.We present an artificial‐intelligence‐empowered integrative‐light‐field microendoscopy (AIM) needle that delivers real‐time in vivo, diffraction‐limited cellular‐level imaging during puncture and visualizes layered microstructures along the needle path. As a microscopic complement to CT/ultrasound, it improves sampling localization and adds preliminary
Huifang Gao +13 more
wiley +1 more source