Results 61 to 70 of about 19,057 (261)
The Correction of Eye Wavefront Using Contact Lenses and Their Impact on the Accommodative Response
Российский офтальмологический журнал, 2018 Eye wavefront aberrations have a strong impact on the formation of an image on the retina and vision quality. A relationship has also been found between the aberrations and accommodation, which plays a significant role in visual performance and ...
E. P. Tarutta +2 more
doaj +1 more source
Advanced Functional Materials, EarlyView.Butterfly wing scales are intricate cuticular functional nanosctructures. This perspective suggests that spatially varying material properties, cytoskeletal constraints, and growth‐driven mechanical instabilities shape the resulting nanoscale architectures created from single cells.
Anupama Prakash +10 more
wiley +1 more source
Simulation Analysis of an Atmospheric Turbulence Wavefront Measurement System
PhotonicsIn this paper, a turbulent wavefront measurement model based on the Hartmann system structure is proposed. The maximum recognizable mode number of different lens units is discussed, and the influence of different lens array arrangements on the accuracy ...
Gangyu Wang +6 more
doaj +1 more source
Simulation of the Human Myopic Eye Cornea Compensation Based on the Analysis of Aberrometric Data
Vision, 2023 Various diffractive, refractive and holographic optical elements, such as diffraction gratings; microlens raster; phase plates; multi-order diffractive optical elements; adaptive mirrors; diffractive and refractive axicons; holographic multiplexes and ...
Pavel A. Khorin, Svetlana N. Khonina
doaj +1 more source
Advanced Materials Interfaces, EarlyView.Although electrochemical scanning tunneling microscopy provides atomic‐scale access to electrified interfaces, quantitative in situ and operando investigations suffer from drift‐induced distortions. This work introduces the Lattice Fourier Analyzer (LFA), which employs substrate‐anchored affine drift correction in reciprocal space to recover precise ...
Rafał Lewandków +4 more
wiley +1 more source
Wavefront sensing from the image domain with the Oxford-SWIFT integral field spectrograph
, 2014 The limits for adaptive-optics (AO) imaging at high contrast and high resolution are determined by residual phase errors from non-common-path aberrations not sensed by the wavefront sensor, especially for integral field spectrographs, where phase ...
Burruss, Rick +5 more
core +1 more source
Curvature sensor for the measurement of the static corneal topography and the dynamic tear film topography in the human eye [PDF]
, 2005 A system to measure the topography of the first optical surface of the human eye noninvasively by using a curvature sensor is described. The static corneal topography and the dynamic topography of the tear film can both be measured, and the topographies ...
Gruppetta, S. +3 more
core +3 more sources
Advanced Materials Technologies, EarlyView.Transducers convert physical signals into electrical and optical representations, yet each mechanism is bounded by intrinsic trade‐offs across bandwidth, sensitivity, speed, and energy. This review maps transduction mechanisms across physical scale and frequency, showing how heterogeneous integration and multiphysics co‐design transform isolated ...
Aolei Xu +8 more
wiley +1 more source
Wavefront Aberration Measurement Deflectometry for Imaging Lens Tests
Applied Sciences, 2022 Lenses play an important role in imaging systems. Having an effective way to test the aberrations of imaging lenses is important. However, the existing methods cannot satisfy the requirements in some conditions.
Linzhi Yu +5 more
doaj +1 more source
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