Results 1 to 10 of about 31,725 (129)

Partially coherent light beam shaping via complex spatial coherence structure engineering [PDF]

open access: yesAdvances in Physics: X, 2022
The techniques of optical beam shaping have enabled progress in a broad range of interdisciplinary science and engineering, owing to the unique properties and promising applications of their created structured light.
Yahong Chen, Fei Wang, Yangjian Cai
doaj   +3 more sources

Spatial coherence filtering of normal incidence light through leaky mode engineering

open access: yesAIP Advances, 2022
Filtering light by coherence by metasurfaces would enable compact, integrable coherence filters. A recent such proposal centered on a metasurface of zigzags.
Hang Li   +9 more
doaj   +3 more sources

Synthesis of Robust Full Poincaré Polarization States via Spatial Coherence Engineering

open access: yesPhotonics
The full Poincaré (FP) beam, encompassing all possible polarization states in its beam cross-section, has demonstrated advantages in various applications. However, conventional FP beams are typically considered as spatially fully coherent, rendering them
Ruihui Zhang   +5 more
doaj   +4 more sources

Switching of three-dimensional optical cages using spatial coherence engineering

open access: yesAPL Photonics
Precisely capturing and manipulating microparticles is the key to exploring microscopic mysteries. Optical tweezers play a crucial role in facilitating these tasks. However, existing optical tweezers are limited by their dependence on specific beam modes,
Ying Xu   +6 more
doaj   +3 more sources

Robust far-field imaging by spatial coherence engineering

open access: yesOpto-Electronic Advances, 2021
The degree of coherence (DOC) function that characterizes the second-order correlations at any two points in a light field is shown to provide a new degree of freedom for carrying information.
Yonglei Liu   +5 more
doaj   +3 more sources

Engineering spatial coherence in lattices of polariton condensates [PDF]

open access: yesOptica, 2021
Artificial lattices of coherently coupled macroscopic states are at the heart of applications ranging from solving hard combinatorial optimization problems to simulating complex many-body physical systems. The size and complexity of the problems scale with the extent of coherence across the lattice.
Tamsin Cookson   +2 more
exaly   +4 more sources

Ultra-robust informational metasurfaces based on spatial coherence structures engineering

open access: yesLight: Science & Applications
Optical information transmission is vital in modern optics and photonics due to its concurrent and multi-dimensional nature, leading to tremendous applications such as optical microscopy, holography, and optical sensing.
Leixin Liu   +7 more
doaj   +3 more sources

Engineering turbulence resilience in Bessel-Vortex beams through partial coherence and topological charge pairing [PDF]

open access: yesScientific Reports
Engineering optical resilience against atmospheric turbulence is essential for robust free-space photonic technologies. Here, we demonstrate that dual partially coherent Bessel-Vortex beams—with engineered topological charge pairing—exhibit unprecedented
Jalil Jafari Dashkasan   +2 more
doaj   +2 more sources

Ultra-coherent meta-emitter tailors arbitrary thermal wavefront [PDF]

open access: yesNature Communications
Conventional coherent light-field manipulation techniques inherently conflict with the spatiotemporal incoherence of thermal radiation sources. While recent advances in thermophotonics have facilitated directional thermal emission, arbitrary thermal ...
Rui Chen   +12 more
doaj   +2 more sources

Spatial coherence control and analysis via micromirror-based mixed-state ptychography

open access: yesNew Journal of Physics, 2021
Flexible and fast control of the phase and amplitude of coherent light, enabled by digital micromirror devices (DMDs) and spatial light modulators, has been a driving force for recent advances in optical tweezers, nonlinear microscopy, and wavefront ...
Ruslan Röhrich   +3 more
doaj   +1 more source

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