Results 31 to 40 of about 656,340 (251)
An Efficient Method for Wavefront Aberration Correction Based on the RUN Optimizer
Photonics, 2023 The correction of wavefront aberrations in wavefront sensorless (WFS-less) adaptive optical (AO) systems requires control algorithms that can ensure rapid convergence while maintaining effective correction capabilities.
Huizhen Yang +6 more
doaj +1 more source
A Review of Wavefront Sensing and Control Based on Data-Driven Methods
AerospaceOptical systems suffer from wavefront aberrations due to complex atmospheric environments and system component errors, leading to systematic aberrations and significantly degrading optical field quality. Therefore, the detection and correction of optical
Ye Zhang +4 more
doaj +1 more source
Wavefront‐Guided Scleral Lens Correction in Keratoconus [PDF]
Optometry and Vision Science, 2014 ABSTRACT Purpose To examine the performance of state‐of‐the‐art wavefront‐guided scleral contact lenses (wfgSCLs) on a sample of keratoconic eyes, with emphasis on performance quantified with visual quality metrics, and to provide a detailed discussion of the process used to design, manufacture,
Jason D, Marsack +6 more
openaire +2 more sources
Cochrane Corner: wavefront-guided laser vision correction [PDF]
, 2021 The author performs both wavefront-guided and wavefront-compensated laser vision correction in private medical practice. In the last 3 years, he has received travel and/or accommodation expenses for expert user meetings sponsored by Schwind Eye Tech ...
Allan, Bruce D
core +2 more sources
Particle swarm optimization for wavefront correction in ophthalmic applications
, 2023 Many optical systems require the correction of the cumulative wavefront error of the system for performance optimization. In ophthalmology the wavefront error of the eye corresponds to the visual defect and can be measured up to high-order aberrations ...
Herkommer, Alois +2 more
core +1 more source
Research on a Decoupling Algorithm for the Dual-Deformable-Mirrors Correction System
Applied Sciences, 2023 Wavefront distortion caused by atmospheric turbulence can be described as different types of aberrations, such as piston, tilt, defocusing, astigmatism, coma and so on.
Jingyuan Liang +3 more
doaj +1 more source
Iterative linear focal-plane wavefront correction [PDF]
Journal of the Optical Society of America A, 2013 We propose an efficient approximation to the nonlinear phase diversity (PD) method for wavefront reconstruction and correction from intensity measurements with potential of being used in real-time applications. The new iterative linear phase diversity (ILPD) method assumes that the residual phase aberration is small and makes use of a first-order ...
Smith, C.S. (author) +6 more
openaire +5 more sources
Wavefront Refraction and Correction [PDF]
Optometry and Vision Science, 2014 Ray, Applegate +8 more
+5 more sources
Advanced Engineering Materials, EarlyView.Enhancing ultrasound transmission through an aberration layer exhibiting mismatched impedance with the surrounding medium possesses great implications in imaging and treatment. In this study, we show that a space‐coiling acoustic metamaterial with judiciously tailored structural profile can help improve impedance matching.
Maral Ghanami +4 more
wiley +1 more source
Performance Comparison of Wavefront-Sensorless Adaptive Optics Systems by Using of the Focal Plane
International Journal of Optics, 2015 The correction capability and the convergence speed of the wavefront-sensorless adaptive optics (AO) system are compared based on two different system control algorithms, which both use the information of focal plane.
Huizhen Yang, Zhen Zhang, Jian Wu
doaj +1 more source