Results 241 to 250 of about 48,622 (298)

Injury-induced electrochemical coupling triggers organ growth. [PDF]

Sci Adv
Liu J, Nerli E, Duclut C, Vishen AS, Berbee N, Kaufmann S, Ponce C, Arrenberg AB, Jülicher F, Mateus R.   +9 more
europepmc   +1 more source

Optical correction in excised cataractous crystalline lenses by using wavefront shaping techniques. [PDF]

Biomed Opt Express
Artal P, Rodríguez-Fernández I, Yago I, Marín JM, Paniagua-Diaz AM.   +4 more
europepmc   +1 more source

Hadamard based single-pixel microscopy using sensor-less adaptive optics supported by multi-actuator adaptive lens. [PDF]

Nat Commun
Tobón-Maya H, Willstatter L, Zapata-Valencia SI, Bonora S, Tajahuerce E, Lancis J.   +5 more
europepmc   +1 more source

Letter to the Editor Regarding “Impact of Anisotropic Conduction and Premature Atrial Contraction on the Fractionated Atrial Potentials”

Journal of Arrhythmia, Volume 42, Issue 1, February 2026.
Hamza Ibrahim, Laraib Riaz, Muqeet Hasnain   +2 more
wiley   +1 more source

Wavefront Control using Cholesteric Liquid Crystals

Wavefront Control using Cholesteric Liquid Crystals
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Active wavefront sensing and wavefront control with SLMs

SPIE Proceedings, 2004
Active systems are becoming more and more prevalent in the the field of optical technology. These systems require not only means of controlling wavefronts but mostly also of sensing wavefronts. This paper shows in four examples how spatial light modulators can be utilized to perform active wavefront sensing and wavefront controlling tasks. The examples
Jan Liesener, Lars Seifert, Hans J. Tiziani, Wolfgang Osten   +3 more
openaire   +1 more source

Computer-controlled wavefront corrector

Soviet Journal of Quantum Electronics, 1989
It is shown that an optically controlled liquid-crystal spatial modulator can be used to form a given wavefront when focusing on a line or a plane. Focusing to form a line, a circle, and a square are demonstrated.
A A Vasil'ev, M A Vorontsov, A V Koryabin, A F Naumov, V I Shmal'gauzen   +4 more
openaire   +1 more source

Stellar Imager: wavefront control

SPIE Proceedings, 2008
Stellar Imager (SI) is a proposed NASA space-based UV imaging interferometer to resolve the stellar disks of nearby stars. SI would consist of 20 - 30 separate spacecraft flying in formation at the Earth-Sun L2 libration point. Onboard wavefront sensing and control is required to maintain alignment during science observations and after array ...
Richard G. Lyon, Kenneth G. Carpenter, Peter Petrone, Peter Dogoda, Daniel Reed, David Mozurkewich   +5 more
openaire   +1 more source

Modal wavefront control system

Conference on Laser and Electrooptical Systems, 1976
A 9-channel 100-Hz closed-loop modal multidither COAT (Coherent Optical Adaptive Technique) system is described that could be used to improve propagation of a laser beam through the atmosphere and compensate for system induced optical aberrations.
C. Neufeld, E. L. Sloan, M. L. Skolnick
openaire   +1 more source

Optimal modal Fourier-transform wavefront control

Journal of the Optical Society of America A, 2005
Optimal modal Fourier-transform wavefront control combines the speed of Fourier-transform reconstruction (FTR) with real-time optimization of modal gains to form a fast, adaptive wavefront control scheme. Our modal basis is the real Fourier basis, which allows direct control of specific regions of the point-spread function.
Poyneer, Lisa, Véran, Jean-Pierre
openaire   +3 more sources