Results 1 to 10 of about 403,518 (103)

Roadmap on Digital Holography-Based Quantitative Phase Imaging [PDF]

open access: yesJournal of Imaging, 2021
Quantitative Phase Imaging (QPI) provides unique means for the imaging of biological or technical microstructures, merging beneficial features identified with microscopy, interferometry, holography, and numerical computations.
Vinoth Balasubramani   +16 more
doaj   +4 more sources

Quantum enhanced non-interferometric quantitative phase imaging [PDF]

open access: yesLight: Science & Applications, 2023
Quantum entanglement and squeezing have significantly improved phase estimation and imaging in interferometric settings beyond the classical limits.
Giuseppe Ortolano   +7 more
doaj   +2 more sources

Compressive holographic sensing simplifies quantitative phase imaging [PDF]

open access: yesLight: Science & Applications, 2023
Quantitative phase imaging (QPI) has emerged as method for investigating biological specimen and technical objects. However, conventional methods often suffer from shortcomings in image quality, such as the twin image artifact.
Jiawei Sun, Juergen W. Czarske
doaj   +2 more sources

Plan meta-objective for sub-micron quantitative phase imaging [PDF]

open access: yesLight: Science & Applications
Quantitative phase imaging (QPI) provides valuable objective insights for investigating transparent samples, yet miniaturizing QPI systems without compromising performance remains a critical challenge for applications requiring compactness and ...
Junyi Wang   +10 more
doaj   +2 more sources

Deep learning assisted variational Hilbert quantitative phase imaging

open access: yesOpto-Electronic Science, 2023
We propose a high-accuracy artifacts-free single-frame digital holographic phase demodulation scheme for relatively low-carrier frequency holograms—deep learning assisted variational Hilbert quantitative phase imaging (DL-VHQPI).
Zhuoshi Li   +9 more
doaj   +3 more sources

Asymmetric metasurface photodetectors for single-shot quantitative phase imaging [PDF]

open access: yesNanophotonics, 2023
The visualization of pure phase objects by wavefront sensing has important applications ranging from surface profiling to biomedical microscopy, and generally requires bulky and complicated setups involving optical spatial filtering, interferometry, or ...
Liu Jianing   +4 more
doaj   +2 more sources

Quantitative phase imaging endoscopy with a metalens [PDF]

open access: yesLight: Science & Applications
Quantitative phase imaging (QPI) recovers the exact wavefront of light from intensity measurements. Topographical and optical density maps of translucent microscopic bodies can be extracted from these quantified phase shifts.
Aamod Shanker   +6 more
doaj   +2 more sources

Multispectral Quantitative Phase Imaging Using a Diffractive Optical Network

open access: yesAdvanced Intelligent Systems, 2023
As a label‐free imaging technique, quantitative phase imaging (QPI) provides optical path length information of transparent specimens for various applications in biology, materials science, and engineering.
Che-Yung Shen   +3 more
doaj   +2 more sources

Snapshot Quantitative Phase Imaging with Acousto-Optic Chromatic Aberration Control [PDF]

open access: yesSensors
The transport of intensity equation enables quantitative phase imaging from only two axially displaced intensity images, facilitating the characterization of low-contrast samples like cells and microorganisms.
Christos Alexandropoulos   +2 more
doaj   +2 more sources

Quantitative phase imaging through an ultra-thin lensless fiber endoscope [PDF]

open access: yesLight: Science & Applications, 2022
Graphical abstract for Quantitative phase imaging through an ultra-thin lensless fiber endoscope.
Jiawei Sun   +8 more
doaj   +2 more sources

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