Polarization-sensitive digital holographic imaging for characterization of microscopic samples: Recent advances and perspectives

G Coppola, MA Ferrara - Applied Sciences, 2020 - mdpi.com
Featured Application A simple and fast measure of the state of polarization of vector optical
beams is a very important topic to study new optical effects and their applications in several …

Fringe analysis: single-shot or two-frames? Quantitative phase imaging answers

M Trusiak - Optics Express, 2021 - opg.optica.org
Conditions of the digital recording of the fringe pattern determine the phase reconstruction
procedure, which in turn directly shapes the final accuracy and throughput of the full-field …

Highly sensitive quantitative phase microscopy and deep learning aided with whole genome sequencing for rapid detection of infection and antimicrobial resistance

A Ahmad, R Hettiarachchi, A Khezri… - Frontiers in …, 2023 - frontiersin.org
Current state-of-the-art infection and antimicrobial resistance (AMR) diagnostics are based
on culture-based methods with a detection time of 48–96 h. Therefore, it is essential to …

Partially spatially coherent digital holographic microscopy and machine learning for quantitative analysis of human spermatozoa under oxidative stress condition

V Dubey, D Popova, A Ahmad, G Acharya, P Basnet… - Scientific reports, 2019 - nature.com
Semen quality assessed by sperm count and sperm cell characteristics such as morphology
and motility, is considered to be the main determinant of men's reproductive health …

High-throughput spatial sensitive quantitative phase microscopy using low spatial and high temporal coherent illumination

A Ahmad, V Dubey, N Jayakumar, A Habib, A Butola… - Scientific reports, 2021 - nature.com
High space-bandwidth product with high spatial phase sensitivity is indispensable for a
single-shot quantitative phase microscopy (QPM) system. It opens avenue for widespread …

Efficient quantitative phase microscopy using programmable annular LED illumination

J Li, Q Chen, J Zhang, Y Zhang, L Lu… - Biomedical optics …, 2017 - opg.optica.org
In this work, we present an efficient quantitative phase imaging (QPI) approach using
programmable annular LED illumination. As a new type of coded light source, the LED array …

Quantitative phase imaging using deep learning-based holographic microscope

J Di, J Wu, K Wang, J Tang, Y Li, J Zhao - Frontiers in Physics, 2021 - frontiersin.org
Digital holographic microscopy enables the measurement of the quantitative light field
information and the visualization of transparent specimens. It can be implemented for …

Quantitative phase microscopy of red blood cells during planar trap** 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 …

Demystifying speckle field interference microscopy

A Ahmad, N Jayakumar, BS Ahluwalia - Scientific Reports, 2022 - nature.com
Dynamic speckle illumination (DSI) has recently attracted strong attention in the field of
biomedical imaging as it pushes the limits of interference microscopy (IM) in terms of phase …

Characterization of color cross-talk of CCD detectors and its influence in multispectral quantitative phase imaging

A Ahmad, A Kumar, V Dubey, A Butola… - Optics express, 2019 - opg.optica.org
Multi-spectral quantitative phase imaging (QPI) is an emerging imaging modality for
wavelength dependent studies of several biological and industrial specimens. Simultaneous …