Results 121 to 130 of about 9,355,325 (300)
Closing the Loop: High‐Precision 3D Photofabrication in Living Tissues
Advanced Science, EarlyView.Writing 3D microstructures inside living tissue demands more than laser access; It demands information. Hierarchical sensing captures thermal and mechanical states across pulse‐train, voxel, and structure timescales, feeding a controller that steers the laser in real time.
Amirbahador Zeynali +2 more
wiley +1 more source
, 2017 My research work falls under the theme of "High Angular Resolution", defined as the study and development of methods and instruments for approaching the limit of diffraction, in spite of dynamic aberrations. They focus on the measurement of the wavefront for adaptive optics and active optics and on the effects of optical propagation in the lower ...
openaire +1 more source
Nonlinear nonlocal metasurfaces
eLightNonlinear metasurfaces have been enabling unprecedented control over light generation and wave mixing, demonstrating enhanced wavefront control, beam shaping and steering of nonlinear light waves.
Michele Cotrufo +3 more
doaj +1 more source
Covert Optical Fingerprints Within Overt Structural Colors via Cascaded Cavity Resonances
Advanced Science, EarlyView.Cascaded photonic–plasmonic cavities combine vivid structural colors with hidden stochastic optical fingerprints in a single monolithic platform. Layered cavities control the overt appearance, while disordered nanogap resonances generate covert scattering with limited mutual influence.
Gyurin Kim +6 more
wiley +1 more source
On the estimation of atmospheric turbulence layers for AO systems [PDF]
In current and next generation of ground telescopes, Adaptive Optics (AO) are employed to overcome the detrimental effects induced by the presence of atmospheric turbulence, that strongly affects the quality of data transmission and therefore limits ...
Cenedese, Angelo +2 more
core
Advanced Science, EarlyView.This study presents a single‐pulse femtosecond laser strategy for three‐dimensional multi‐foci light‐field shaping and high‐throughput micro/nano manufacturing. The multi‐layer noise threshold filtering algorithm improves focal quality, while the multi‐layer over‐sampling algorithm increases focal density.
Shouyu Wu +9 more
wiley +1 more source
Research Progress of Deformable Mirror and Its Control Algorithm
Guangtongxin yanjiu【Objective】Deformable Mirror(DM) is a key device in adaptive optics system for wavefront correction, and its performance directly determines the wavefront correction capability of the system.
LIANG Jingyuan +7 more
doaj
Wavefront optimized nonlinear microscopy of ex vivo human retinas
, 2010 A multiphoton microscope incorporating a HartmannShack HS wavefront sensor to control the ultrafast laser beam’s wavefront aberrations has been developed.
Artal Soriano, Pablo +2 more
core +1 more source
Advanced Electronic Materials, EarlyView.A diagnostic method for reconfigurable intelligent surfaces (RIS) based on non‐uniform space‐time‐coding modulation is presented. Fault localization is achieved via amplitude‐only spectral measurements, eliminating the need for complex signal processing. A one‐to‐one mapping between harmonic components and RIS elements enables accurate detection.
Xiao Qing Chen +8 more
wiley +1 more source
Conformal Reconfigurable Intelligent Surfaces: A Cylindrical Geometry Perspective
Advanced Electronic Materials, EarlyView.Cylindrical reconfigurable intelligent surfaces are explored for low‐complexity beam steering using one‐bit meta‐atoms. A multi‐level modeling approach, including optimization‐based synthesis, demonstrates that even minimal hardware can support directive scattering.
Filippo Pepe +4 more
wiley +1 more source