Results 11 to 20 of about 80,548 (342)
An all-photonic focal-plane wavefront sensor [PDF]
Nature Communications, 2020 Adaptive optics wavefront sensors need to be in a pupil plane and are insensitive to certain wavefront-error modes. The authors present a wavefront sensor based on a photonic lantern fibre-mode-converter and deep learning, which can be placed at the same
Barnaby R. M. Norris +4 more
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Feedback-based wavefront shaping [PDF]
Optics Express, 2015 Light scattering was thought to be the fundamental limitation for the depth at which optical imaging methods can retain their resolution and sensitivity. However, it was shown that light can be focused inside even the most strongly scattering objects by spatially shaping the wavefront of the incident light.
I. Vellekoop
openaire +5 more sources
The wavefront phenomenon of ischemic cell death. 1. Myocardial infarct size vs duration of coronary occlusion in dogs. [PDF]
Circulation, 1977 K A Reimer +3 more
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Roadmap on wavefront shaping and deep imaging in complex media [PDF]
Journal of Physics: Photonics, 2021 The last decade has seen the development of a wide set of tools, such as wavefront shaping, computational or fundamental methods, that allow us to understand and control light propagation in a complex medium, such as biological tissues or multimode ...
S. Gigan +44 more
semanticscholar +1 more source
On the Ray-Wavefront Duality [PDF]
Symmetry, 2022 We investigate the behavior of the solutions of the ray equation in isotropic media. We discuss local and global transversals and wavefronts and give examples of rays without wavefronts.
Antonio Díaz-Cano +2 more
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Science Advances, 2023 Diffraction-limited optical imaging through scattering media has the potential to transform many applications such as airborne and space-based imaging (through the atmosphere), bioimaging (through skin and human tissue), and fiber-based imaging (through ...
Brandon Yushan Feng +6 more
semanticscholar +1 more source
Multifunctional resonant wavefront-shaping meta-optics based on multilayer and multi-perturbation nonlocal metasurfaces [PDF]
Light: Science & Applications, 2020 Photonic devices rarely provide both elaborate spatial control and sharp spectral control over an incoming wavefront. In optical metasurfaces, for example, the localized modes of individual meta-units govern the wavefront shape over a broad bandwidth ...
Stephanie C. Malek +3 more
semanticscholar +1 more source
A review of dielectric optical metasurfaces for wavefront control [PDF]
Nanophotonics, 2018 During the past few years, metasurfaces have been used to demonstrate optical elements and systems with capabilities that surpass those of conventional diffractive optics.
Seyedeh Mahsa Kamali +3 more
semanticscholar +1 more source
Deep learning wavefront sensing and aberration correction in atmospheric turbulence
PhotoniX, 2021 Deep learning neural networks are used for wavefront sensing and aberration correction in atmospheric turbulence without any wavefront sensor (i.e. reconstruction of the wavefront aberration phase from the distorted image of the object).
Kaiqiang Wang +9 more
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Geometric Phase in Optics: From Wavefront Manipulation to Waveguiding
Laser & Photonics reviews, 2021 Geometric phase is a unifying and central concept in physics, including optics. As a matter of fact, optics played a pivotal role from the inception of this new paradigm, as some of the first experimental demonstrations have been carried out in optics. A
C. Jisha, Stefan Nolte, A. Alberucci
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