Quantitative phase imaging: recent advances and expanding potential in biomedicine

TL Nguyen, S Pradeep, RL Judson-Torres, J Reed… - ACS …, 2022 - ACS Publications
Quantitative phase imaging (QPI) is a label-free, wide-field microscopy approach with
significant opportunities for biomedical applications. QPI uses the natural phase shift of light …

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 …

Low-coherence semiconductor light sources: devices and applications

H Lu, O Alkhazragi, Y Wang, N Almaymoni, W Yan… - npj …, 2024 - nature.com
Since the invention of the laser, there have been countless applications that were made
possible or improved through exploiting its multitude of unique advantages. Most of these …

Compact Linnik‐type hyperspectral quantitative phase microscope for advanced classification of cellular components

H Joshi, BP Singh, A Butola, V Surya… - Journal of …, 2024 - Wiley Online Library
Hyperspectral quantitative phase microscopy (HS‐QPM) involves the acquisition of phase
images across narrow spectral bands, which enables wavelength‐dependent study of …

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 …

Deep learning enabled multi-wavelength spatial coherence microscope for the classification of malaria-infected stages with limited labelled data size

N Singla, V Srivastava - Optics & Laser Technology, 2020 - Elsevier
Malaria is a life-threatening mosquito-borne blood disease and therefore, early detection is
essential for health. The standard detection technique is a Giemsa-stained blood smear test …

Multi-spectral quantitative phase imaging based on filtration of light via ultrasonic wave

AS Machikhin, OV Polschikova… - Journal of …, 2017 - iopscience.iop.org
A new digital holographic microscopy scheme for multi-spectral quantitative phase imaging
is proposed and implemented. It is based on acousto-optic filtration of wide-band low …

Low coherence quantitative phase microscopy with machine learning model and Raman spectroscopy for the study of breast cancer cells and their classification

V Dubey, A Ahmad, A Butola, D Qaiser, A Srivastava… - Applied …, 2019 - opg.optica.org
Early-stage detection of breast cancer is the primary requirement in modern healthcare as it
is the most common cancer among women worldwide. Histopathology is the most widely …

[PDF][PDF] 部分相干光照明的数字全息显微技术及应用

王阳, 张美玲, 王宇, 温凯, 卓可群… - Laser & …, 2021 - researching.cn
摘要传统的数字全息显微技术通常采用高相干激光作为照明光源, 虽然其全息图具有高的对比度
, 但是相干照明带来的相干噪声会降低再现像的信噪比. 基于部分相干照明的数字全息显微技术 …

Speckle-free quantitative phase and amplitude imaging using common-path lateral shearing interference microscope with pseudo-thermal light source illumination

S Tayal, K Usmani, V Singh, V Dubey, DS Mehta - Optik, 2019 - Elsevier
In quantitative phase imaging, generally, a highly coherent light source such as a laser is
used to achieve the interference easily. But due to laser's high spatio-temporal coherence …