Hough transform-based multi-object autofocusing compressive holography

Y Zhang, Z Huang, S Jin, L Cao - Applied Optics, 2023 - opg.optica.org
Reconstruction of multiple objects from one hologram can be affected by the focus metric
judgment of autofocusing. Various segmentation algorithms are applied to obtain a single …

Quantitative phase microscopy with enhanced contrast and improved resolution through ultra‐oblique illumination (UO‐QPM)

Y Ma, S Guo, Y Pan, R Fan, ZJ Smith… - Journal of …, 2019 - Wiley Online Library
Recent developments in phase contrast microscopy have enabled the label‐free
visualization of certain organelles due to their distinct morphological features, making this …

[HTML][HTML] Quantitative phase microscopy of red blood cells during planar trapping and propulsion

A Ahmad, V Dubey, VR Singh, JC Tinguely, CI Øie… - Lab on a Chip, 2018 - pubs.rsc.org
Red blood cells (RBCs) have the ability to undergo morphological deformations during
microcirculation, such as changes in surface area, volume and sphericity. Optical waveguide …

[HTML][HTML] Exploiting the potential of commercial digital holographic microscopy by combining it with 3D matrix cell culture assays

M Hellesvik, H Øye, H Aksnes - Scientific Reports, 2020 - nature.com
Abstract 3D cell culture assays are becoming increasingly popular due to their higher
resemblance to tissue environment. These provide an increased complexity compared to the …

[HTML][HTML] Refractive index estimation in biological tissues by quantitative phase imaging

C Cairós, R Oliva-García, G Siverio, JM Trujillo-Sevilla… - Optical Materials, 2023 - Elsevier
The refractive index (RI) of biological tissues represents a relevant optical property that
correlates with intrinsic factors such as dry mass or water content, providing valuable …

Influence of defocus on quantitative analysis of microscopic objects and individual cells with digital holography

MT Rinehart, HS Park, A Wax - Biomedical optics express, 2015 - opg.optica.org
Digital holography offers a unique method for studying microscopic objects using
quantitative measurements of the optical phase delays of transmitted light. The optical phase …

Digital holographic microscopy for real-time investigation of 3D microstructural dynamics of starch-kefiran-based nanocomposite

VF Rad, A Babaei-Ghazvini, R Jamali… - Applied Optics, 2021 - opg.optica.org
Investigating real-time phenomena in bio-polymers has received much attention because of
their increasing demands in polymer substitution. The 3D morphometry of polymer surfaces …

Nonlinear interferometry: A new approach for imaging and sensing

J Fuenzalida, E Giese, M Gräfe - Advanced Quantum …, 2024 - Wiley Online Library
Nonlinear interferometers are a ubiquitous tool in quantum photonics. As such, they allow
spooky‐like imaging with undetected light. On the one side their working principle is based …

Morphological changes in the ovarian carcinoma cells of Wistar rats induced by chemotherapy with cisplatin and dioxadet

AA Zhikhoreva, AV Belashov, VG Bespalov… - Biomedical optics …, 2018 - opg.optica.org
The development of new express methods for the analysis of the efficacy of anti-cancer
therapy on the cellular level is highly desirable for the analysis of chemotherapeutic agent …

Single-shot quantitative differential phase contrast imaging combined with programmable polarization multiplexing illumination

S Liu, C Zheng, Q Hao, X Li, S Zhang - Optics Letters, 2023 - opg.optica.org
We propose a single-shot quantitative differential phase contrast method with polarization
multiplexing illumination. In the illumination module of our system, a programmable LED …