Results 1 to 10 of about 38,273,342 (166)

Resolution and Contrast Enhancement for Lensless Digital Holographic Microscopy and Its Application in Biomedicine

Photonics, 2022
An important imaging technique in biomedicine, the conventional optical microscopy relies on relatively complicated and bulky lens and alignment mechanics.
Duofang Chen, Lin Wang, Xixin Luo, Hui Xie, Xueli Chen   +4 more
doaj   +2 more sources

Assessing embryo quality with digital holographic microscopy [PDF]

EPJ Web of Conferences, 2023
A low-powered, non-invasive digital holographic microscopic imaging technique for embryo quality assessment is presented. Two groups of 2 cell-stage embryos cultured in media of different lipid concentrations have been characterized with digital ...
Dwapanyin George, Chow Darren, Tan Tiffany, Dubost Nicolas, Morizet Josephine, Dunning Kylie, Dholakia Kishan   +6 more
doaj   +2 more sources

Deep digital holographic microscopy [PDF]

EPJ Web of Conferences
This paper presents recent developments in hybrid computational imaging approaches for 3D motion analysis and quantitative phase imaging in automated microscopy.
Jacquot Maxime, Kieber Remi, Cuenat Stéphane, Saim Khan Mohammad, Couturier Raphael   +4 more
doaj   +2 more sources

Single-Element Reflective Digital Holographic Microscopy

Frontiers in Physics, 2021
Digital holographic microscopy (DHM) is a well-known microscopy technique using an interferometric architecture for quantitative phase imaging (QPI) and it has been already implemented utilizing a large number of interferometers.
José Ángel Picazo-Bueno, Javier García, Vicente Micó   +2 more
doaj   +1 more source

Integrated self-referencing single shot digital holographic microscope and optical tweezer

Light: Advanced Manufacturing, 2022
Digital holographic microscopy is a single-shot technique for quantitative phase imaging of samples, yielding thickness profiles of phase objects. It provides sample features based on their morphology, leading to their classification and identification ...
Subhash Utadiya, Sachin Joshi, Nimit Patel, Chetna Patel, Mugdha Joglekar, Vani Cahhniwal, Timothy O’Connor, Bahram Javidi, Arun Anand   +8 more
doaj   +1 more source

Roadmap on Digital Holography-Based Quantitative Phase Imaging

Journal 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, Małgorzata Kujawińska, Cédric Allier, Vijayakumar Anand, Chau-Jern Cheng, Christian Depeursinge, Nathaniel Hai, Saulius Juodkazis, Jeroen Kalkman, Arkadiusz Kuś, Moosung Lee, Pierre J. Magistretti, Pierre Marquet, Soon Hock Ng, Joseph Rosen, Yong Keun Park, Michał Ziemczonok   +16 more
doaj   +1 more source

Adaptation of the Standard Off-Axis Digital Holographic Microscope to Achieve Variable Magnification

Photonics, 2021
Traditional microscopy provides only for a small set of magnifications using a finite set of microscope objectives. Here, a novel architecture is proposed for quantitative phase microscopy that requires only a simple adaptation of the traditional off ...
Xin Fan, John J. Healy, Kevin O’Dwyer, Julianna Winnik, Bryan M. Hennelly   +4 more
doaj   +1 more source

Characterization of Polarization Holographic Gratings Obtained on Azopolymer Thin Films by Digital Holographic Microscopy

Journal of Biomedical Photonics & Engineering, 2021
Polarization diffraction gratings are formed by one-step polarization holographic recording in azopolymer thin films. The evolution of the gratings parameters, such as the modulation of diffraction efficiency and relief depth with regard to different ...
Veronica Cazac, Constantin Loshmanschii, Elena Achimova, Alexei Meshalkin, Vladimir Abashkin, Vladimir Podlipnov   +5 more
doaj   +1 more source

Monitoring Human Neutrophil Differentiation by Digital Holographic Microscopy

Frontiers in Physics, 2021
We report on the usefulness of digital holographic microscopy (DHM) for the assessment of human neutrophil differentiation from myeloid cells. The cell and nuclear regions have been designated by image segmentation of the optical phase function, and the ...
Maria Augusta do R. B. F. Lima, Maria Augusta do R. B. F. Lima, Dan Cojoc   +2 more
doaj   +1 more source

Physics-driven learning for digital holographic microscopy [PDF]

EPJ Web of Conferences
Deep neural networks based on physics-driven learning make it possible to train neural networks with a reduced data set and also have the potential to transfer part of the numerical computations to optical processing.
Kieber Rémi, Froehly Luc, Jacquot Maxime   +2 more
doaj   +1 more source