Results 191 to 200 of about 887,904 (256)

Towards a mobile quantitative phase imaging microscope with smartphone phase-detection sensors. [PDF]

Biomed Opt Express
Bao X, Hu ZD, Kreiss L, Lerner J, Horstmeyer R.   +4 more
europepmc   +1 more source

Wavefront sensing at a high-repetition-rate X-ray free-electron laser. [PDF]

J Synchrotron Radiat
Guest T, Vagovič P, Adriano L, Bielecki J, Birnsteinova S, Graceffa R, Koliyadu J, Morgan K, Moriyama H, Mosko D, Riessen GV, Sabol K, Sato T, Szeles P, Taylor Z, Uličný J, Bean R, Mancuso AP, Abbey B.   +18 more
europepmc   +1 more source

Single-shot hyperspectral wavefront imaging. [PDF]

Nat Commun
Blochet B, Lebas N, Berto P, Papadopoulos D, Guillon M.   +4 more
europepmc   +1 more source

Bypassing the imaging thickness limit with a translationally-invariant nonlocal thin film. [PDF]

Nat Commun
Zhang B, Li L, Xue X, Xu Y, Li Q, Zhang H, Sun L, Cao L, Yang Y.   +8 more
europepmc   +1 more source

Physics-informed multi-encoder adaptive optics enables rapid aberration correction for intravital microscopy of deep complex tissue. [PDF]

Nat Commun
Cheng X, Wang B, Luo L, Sun Z, He S.
europepmc   +1 more source

Fourier wavefront reconstruction with a pyramid wavefront sensor

Adaptive Optics Systems VI, 2018
Using Fourier methods to reconstruct the phase measured by a wavefront sensor (WFS) can significantly re- duce the number of computations required, as well as easily enable predictive reconstruction methods based on knowledge of the adaptive optics system, atmospheric turbulence and wind profile. Previous work on Fourier re- construction has focused on
Bond, Charlotte, Correia, Carlos, Sauvage, Jean-François, El Hadi, Kacem, Neichel, Benoit, Fusco, Thierry   +5 more
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A Review on Wavefront Reconstruction Methods

2021 4th International Conference on Information Systems and Computer Aided Education, 2021
Turbulence in the atmosphere in nature leads to the change of local optical path. The imaging wavefront of starlight is constantly distorted and the energy is constantly dissipated, which eventually leads to the blurring of telescope imaging and the degradation of resolution.
Ke Wang, Kefeng Xu
openaire   +1 more source

Wavefront reconstruction with the cone sensor

2020 35th International Conference on Image and Vision Computing New Zealand (IVCNZ), 2020
Wavefronts of light from celestial objects are aberrated by Earth’s evolving atmosphere, causing images captured by ground-based telescopes to be distorted. The slope of the phase of the wavefront can be estimated by a pyramid wavefront sensor, which subdivides the complex field at the focal plane of the telescope, producing four images of the aperture.
Richard M. Clare, Byron E. Engler, Stephen John Weddell   +2 more
openaire   +2 more sources