Results 51 to 60 of about 3,002 (158)

A Reversible Clearing Strategy Enables Robust Label‐Free Phase Imaging of Thick Tissues

open access: yesLaser &Photonics Reviews, Volume 20, Issue 21, 6 November 2026.
The principle of a reversible clearing strategy via glycerol and tartrazine solution (GTS) for robust whole‐slide label‐free phase imaging of thick tissue slices via high‐throughput Fourier ptychographic microscopy (FPM) and lensless digital holographic microscopy (LDHM). ABSTRACT Thick biological specimens impose strong scattering and attenuation that
Mikołaj Krysa   +5 more
wiley   +1 more source

Block-wise lensless compressive camera [PDF]

open access: yes2017 IEEE International Conference on Image Processing (ICIP), 2017
The existing lensless compressive camera ($\text{L}^2\text{C}^2$)~\cite{Huang13ICIP} suffers from low capture rates, resulting in low resolution images when acquired over a short time. In this work, we propose a new regime to mitigate these drawbacks.
Xin Yuan 0002   +3 more
openaire   +3 more sources

Miniaturized lensless microfluidic on-chip bio-imaging detection

open access: yes物联网学报, 2019
The conventional high-resolution optical microscopy for biomedical imaging has high cost and low portability due to bulky optical lenses system.To realize miniaturized imaging,the recent advance of lensless microfluidic on-chip imaging technique based on
Jin CHEN   +4 more
doaj   +2 more sources

HoloSpec: Dispersion‐Based 4D Computational Holographic Hyperspectral Imaging

open access: yesLaser &Photonics Reviews, Volume 20, Issue 21, 6 November 2026.
HoloSpec, a compact dispersion‐based computational holographic system, achieves four‐dimensional imaging by retrieving 3D spatial structure and high‐resolution spectra from only two monochromatic snapshots. Using a single prism and a monochrome sensor, it resolves 430 spectral channels with 3 nm experimental resolution and 30 μm$\mathrm{\mu}\mathrm{m}$
Jingyan Chen   +3 more
wiley   +1 more source

Interferometric Near‐Field Scanning Optical Microscopy via Phase Conjugation of a Multimode Fiber Probe

open access: yesNanophotonics, Volume 15, Issue 20, 27 October 2026.
A multimode fiber probe collects far more of the near field than a single‐mode one, but scrambles the phase into speckle. Phase conjugation on a spatial light modulator restores the wavefront, concentrating the signal up to 165‐fold at a single detector pixel and recovering the full phase of propagating surface plasmon polaritons where conventional ...
Juntaek Oh   +4 more
wiley   +1 more source

OntOMat: Toward Ontology‐Based Product and Process Design Engineering and Optimization Solutions Fueling Circular Value Chains

open access: yesAdvanced Engineering Materials, Volume 28, Issue 20, 21 October 2026.
The OntOMat ontology establishes a structured framework for polymer matrix fiber reinforced composite materials, integrating manufacturing processes, characterization methods, and multiscale design through the VDI/VDE 3682 formalized process description standard.
Nicolas Christ   +19 more
wiley   +1 more source

Speckle-scanning ptychographic lensless imaging

open access: yes, 2019
Operation of the speckle-scanning ptychographic lensless imaging platform -- Smart Imaging Lab @ UConnHe Zhang, Zichao Bian, Shaowei Jiang, Jian Liu, Pengming Song, and Guoan Zheng, "Field-portable quantitative lensless microscopy based on translated ...
Guoan Zheng (4764957)
core   +1 more source

Intrinsic Focus‐Like Light Concentration From Anti‐Resonant Hollow‐Core Fibers

open access: yesAdvanced Photonics Research, Volume 7, Issue 8, August 2026.
The fundamental mode of hollow‐core waveguides is shown to produce intrinsic focus‐like light concentration in free space without external optics. Combined experiments and simulations reveal that this behavior originates from the non‐Gaussian nature of leaky modes, establishing a new mechanism for lensless beam shaping and compact optical interfacing ...
Shahrzad Hosseinabadi   +3 more
wiley   +1 more source

Towards attosecond imaging at the nanoscale using broadband holography-assisted coherent imaging in the extreme ultraviolet

open access: yesCommunications Physics, 2021
The inherently broad bandwidth of attosecond pulses conflicts with the coherence requirements of lensless imaging. Here, broadband holography-assisted coherent imaging is demonstrated with a resolution of less than 35 nm.
Wilhelm Eschen   +10 more
doaj   +1 more source

Toward Intelligent Multimodal Holography for Real‐Time Chemical Imaging of Dynamic Ion Separation

open access: yesAdvanced Intelligent Discovery, Volume 2, Issue 4, August 2026.
Intelligent multimodal holography integrates digital off‐axis holography, spectroscopic imaging, and AI‐driven reconstruction to visualize ion transport and chemical dynamics in real time. In this perspective paper, we outline how this approach enables label‐free, chemically specific monitoring of complex environments and discuss its potential to ...
Giovanna Ricchiuti   +3 more
wiley   +1 more source

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