Results 141 to 150 of about 82,170 (356)

A Physics‐Informed Neural Network as a Digital Twin of Optically Turbid Media

open access: yesAdvanced Intelligent Systems, EarlyView.
In this work, a physics‐informed neural network is presented as a digital twin for modeling and studying optically turbid media without requiring reference light. The model learns and integrates complex wavefront modulation behavior, ensuring robustness without explicit calibration.
Mohammadrahim Kazemzadeh   +4 more
wiley   +1 more source

Data‐driven modeling and control of an X‐ray bimorph adaptive mirror

open access: yesJournal of Synchrotron Radiation, Volume 30, Issue 1, Page 57-64, January 2023., 2023
A framework for data‐driven characterization of the nonlinear dynamics of a piezo‐bimorph adaptive X‐ray mirror has been developed. Rapid surface shape control and stability to within 2 nm RMS have been demonstrated.Adaptive X‐ray mirrors are being adopted on high‐coherent‐flux synchrotron and X‐ray free‐electron laser beamlines where dynamic phase ...
Gautam Gunjala   +6 more
wiley   +1 more source

Wavefront-optimized treatment for myopia using Allegretto Wave Eye-Q excimer laser

open access: yesPhilippine Journal of Ophthalmology, 2011
Objective: To evaluate the efficacy, predictability, and safety of LASIK surgery using the Allegretto Wave Eye-Q excimer laser. Methods: Data of patients who underwent myopic LASIK were collected.
Celeste P. Guzman, MD   +1 more
doaj  

Advanced Contactless Bioassembly Approaches: Leveraging Sound, Optical, and Magnetic Fields

open access: yesAdvanced NanoBiomed Research, EarlyView.
This review explores innovative contactless bioassembly techniques driven by sound, light, and magnetic fields, which enable the precise organization of cells, biomaterials, and bioactive substances into complex 3D structures. These technologies, crucial for in vitro modeling and regenerative medicine, are examined in detail, highlighting their ...
Micaela Natta   +4 more
wiley   +1 more source

Comments on "Inherent bias in wavefront curvature ranging" [PDF]

open access: green, 1982
Joseph C. Hassab, B. Guimond, S. Nardone
openalex   +1 more source

Free‐space Optical Computing Systems

open access: yesAnnalen der Physik, EarlyView.
Manipulation and propagation of optical wavefronts in free space enables new intelligent computing hardware. Two types of optical computing systems, matrix and vector multiplication systems and diffractive optical neural network systems, are reviewed from material, device, and system aspects.
Ruiyang Chen, Weilu Gao
wiley   +1 more source

Singular Electromagnetics: From Phase Singularities to Optical Skyrmions and Beyond

open access: yesAdvanced Physics Research, EarlyView.
Singular electromagnetics/optics studies multidimensional topological defects of electromagnetic fields (also known as optical singularities), including phase and polarization singularities, 3D singularities (e.g., optical skyrmions, merons, hopfions, knots, links, and Möbius strips), and even higher‐dimensional singularities.
Jie Yang   +3 more
wiley   +1 more source

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