Classification of tissue biopsies by Raman spectroscopy guided by quantitative phase imaging and its application to bladder cancer
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Biophotonics"
DOI: 10.1002/jbio.202200009
Abstract: We present a multimodal label‐free optical measurement approach for analyzing sliced tissue biopsies by a unique combination of quantitative phase imaging and localized Raman spectroscopy. First, label‐free quantitative phase imaging of the entire unstained tissue… read more here.
Keywords: phase imaging; spectroscopy; raman spectroscopy; quantitative phase ... See more keywords
Single-shot phase imaging based on transport of intensity equation
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.126347
Abstract: Abstract In this paper, we demonstrate a cost effective set-up for transport of intensity equation (TIE)-based single-shot phase imaging. A Michelson interferometer like set-up has been utilized for optical implementation with light emitting diode as… read more here.
Keywords: phase imaging; transport intensity; intensity equation; single shot ... See more keywords
One-shot rapid deterministic phase imaging by beam splitting phase modulation
Sign Up to like & getrecommendations! Published in 2020 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2020.106051
Abstract: Abstract This paper focuses on solving the diffractive phase retrieval problem of arbitrary complex objects by modulating the object phase. Unlike classical diffraction interferometry such as point-diffraction and phase-shifting interferometry, this method does not require… read more here.
Keywords: phase; phase imaging; one shot; rapid deterministic ... See more keywords
Polarization-Dependent All-Dielectric Metasurface for Single-Shot Quantitative Phase Imaging.
Sign Up to like & getrecommendations! Published in 2021 at "Nano letters"
DOI: 10.1021/acs.nanolett.1c00190
Abstract: Phase retrieval is a noninterferometric quantitative phase imaging technique that has become an essential tool in optical metrology and label-free microscopy. Phase retrieval techniques require multiple intensity measurements traditionally recorded by camera or sample translation,… read more here.
Keywords: polarization dependent; phase; phase imaging; metasurface ... See more keywords
Phase imaging with computational specificity (PICS) for measuring dry mass changes in sub-cellular compartments
Sign Up to like & getrecommendations! Published in 2020 at "Nature Communications"
DOI: 10.1038/s41467-020-20062-x
Abstract: Due to its specificity, fluorescence microscopy has become a quintessential imaging tool in cell biology. However, photobleaching, phototoxicity, and related artifacts continue to limit fluorescence microscopy’s utility. Recently, it has been shown that artificial intelligence… read more here.
Keywords: microscopy; phase imaging; imaging computational; computational specificity ... See more keywords
Fast photothermal spatial light modulation for quantitative phase imaging at the nanoscale
Sign Up to like & getrecommendations! Published in 2021 at "Nature Communications"
DOI: 10.1038/s41467-021-23252-3
Abstract: Spatial light modulators have become an essential tool for advanced microscopy, enabling breakthroughs in 3D, phase, and super-resolution imaging. However, continuous spatial-light modulation that is capable of capturing sub-millisecond microscopic motion without diffraction artifacts and… read more here.
Keywords: phase; spatial light; light modulation; phase imaging ... See more keywords
Reproductive outcomes predicted by phase imaging with computational specificity of spermatozoon ultrastructure
Sign Up to like & getrecommendations! Published in 2020 at "Proceedings of the National Academy of Sciences of the United States of America"
DOI: 10.1073/pnas.2001754117
Abstract: Significance The high incidence of human male factor infertility suggests a need for examining new ways of evaluating sperm cells. We present an approach that combines label-free imaging and artificial intelligence to obtain nondestructive markers… read more here.
Keywords: dry mass; phase; contrast; phase imaging ... See more keywords
Single-exposure X-ray phase imaging microscopy with a grating interferometer
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Synchrotron Radiation"
DOI: 10.1107/s160057752200193x
Abstract: This work presents and extends the single-exposure phase imaging capabilities of X-ray grating interferometry as demonstrated by an implementation at beamline I13-1 of the Diamond Light Source. The results are especially relevant for future single-pulse… read more here.
Keywords: phase imaging; single exposure; microscopy; exposure ray ... See more keywords
Quantitative susceptibility mapping versus phase imaging to identify multiple sclerosis iron rim lesions with demyelination
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Neuroimaging"
DOI: 10.1111/jon.12987
Abstract: To compare quantitative susceptibility mapping (QSM) and high‐pass‐filtered (HPF) phase imaging for (1) identifying chronic active rim lesions with more myelin damage and (2) distinguishing patients with increased clinical disability in multiple sclerosis. read more here.
Keywords: susceptibility mapping; phase imaging; rim lesions; multiple sclerosis ... See more keywords
Nanometric depth phase imaging using low-cost on-chip lensless inline holographic microscopy
Sign Up to like & getrecommendations! Published in 2020 at "Optical Engineering"
DOI: 10.1117/1.oe.59.10.104105
Abstract: Abstract. Lensless microscopes are simple, portable, and cost effective compared with the sophisticated microscopes of today that require high-end objectives, lenses, and filters. We demonstrate a lensless on-chip phase microscope based on the holographic principle… read more here.
Keywords: microscopy; nanometric depth; phase imaging; inline holographic ... See more keywords
High-resolution quantitative phase imaging based on a spatial light modulator and incremental binary random sampling.
Sign Up to like & getrecommendations! Published in 2020 at "Applied optics"
DOI: 10.1364/ao.393158
Abstract: We propose a single-beam high-resolution quantitative phase imaging method based on a spatial light modulator (SLM) and an incremental binary random sampling (IBRS) algorithm. In this method, the image of the test object presents on… read more here.
Keywords: resolution; phase; microscopy; phase imaging ... See more keywords