Results 81 to 90 of about 316 (190)

Improving the quality of light-field data extracted from a hologram using deep learning

open access: yesETRI Journal
We propose a method to suppress the speckle noise and blur effects of the light field extracted from a hologram using a deep-learning technique. The light field can be extracted by bandpass filtering in the hologram's frequency domain.
Dae-youl Park, Joongki Park
doaj   +1 more source

Photothermal bubble: Dynamics, manipulation, and applications

open access: yesDroplet, EarlyView.
As a versatile platform for bubble manipulation, photothermal techniques empower diverse operations: planar translation by scanning the laser spot, sustained periodic bouncing from competing thermal and hydrodynamic flows, and even guided 3D trajectories achieved by tailoring the heating configuration.
Man Hu, Feng Wang, Daosheng Deng
wiley   +1 more source

Conversion of 2D picture to color 3D holography using end-to-end convolutional neural network

open access: yesPhotoniX
In the field of holographic 3D display, generating a three-dimensional (3D) computer-generated hologram (CGH) from a single two-dimensional (2D) image has been a significant challenge due to the high-dimensionality of the problem.
Chenliang Chang   +6 more
doaj   +1 more source

Nanophotonic Biosensors and the Paradigm of Trans‐Scale Autonomous Bio‐Integrated Diagnostics for Addressing Health Complexities

open access: yesElectron, EarlyView.
Physics‐driven advances in optical nanobiosensors for rapid, miniaturized, and point‐of‐care diagnostics for next‐generation decentralized and personalized healthcare based on sensor intelligence. ABSTRACT Public health emergencies and the escalating burden of chronic diseases necessitate a paradigm shift from centralized laboratory testing to rapid ...
Vishal Chaudhary   +5 more
wiley   +1 more source

Holography-based quantum projector in a state space of linear photon momentum

open access: yesNew Journal of Physics, 2015
A transmission volume hologram is evaluated as a quantum projector operating on linear momentum states of individual photons in a four-dimensional state space.
Mark T Gruneisen   +3 more
doaj   +1 more source

Alginate from seaweed and microbes: Sources, green extraction, functional properties, and food applications

open access: yesFood Biomacromolecules, EarlyView.
Abstract Alginate, a renewable polysaccharide produced by brown seaweeds and selected bacterial species, has gained significant attention due to its tunable gelation behavior, biocompatibility, and wide utility in food, biomedical, and packaging applications.
Mehvish Habib   +3 more
wiley   +1 more source

Parallel femtosecond laser processing with vector-wave control

open access: yesMATEC Web of Conferences, 2013
Parallel femtosecond laser processing with a computer-generated hologram displayed on a spatial light modulator, has the advantages of high throughput and high energy-use efficiency.
Hayasaki Yoshio, Hasegawa Satoshi
doaj   +1 more source

Operating in perpetual motion? Coping with the dark side of global boundary spanning

open access: yesGlobal Strategy Journal, EarlyView.
Abstract Research Summary This paper explores how individuals experience and cope with the demands of global boundary spanning in multinational enterprises (MNEs). We foreground temporary colocation as a modality through which mobile global boundary spanners repeatedly traverse multiple boundaries, triggering intense demands with adverse consequences ...
Kieran M. Conroy   +2 more
wiley   +1 more source

Pancharatnam–Berry Phase Driven by Electrical Restructuring of Liquid Crystal Polarization Grating Period

open access: yesLaser &Photonics Reviews, EarlyView.
Electrically controlled liquid‐crystal twist diffraction element based on the Pancharatnam–Berry phase enables switchable structural periodicity and simultaneous generation of orthogonal circularly polarized coherent waves for multifunctional planar photonic devices.
Elena Melnikova   +7 more
wiley   +1 more source

Non-iterative 3D computer-generated hologram based on single full-support optimized random phase and phase compensation

open access: yesNew Journal of Physics
The main problem faced by traditional three-dimensional (3D) holographic displays is the time-consuming and poor flexibility of the hologram generation process.
Cheng Zhang   +9 more
doaj   +1 more source

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