Label-free tomographic imaging of nanodiamonds in living cells
Sign Up to like & getrecommendations! Published in 2021 at "Diamond and Related Materials"
DOI: 10.1016/j.diamond.2021.108517
Abstract: Abstract Nanodiamonds have acknowledged growing attention due to their facile functionalization, stable fluorescence, low toxicity, and decent biocompatibility. However, despite advances applications of nanodiamonds in drug delivery, catalysis and bio-sensing, laser irradiation still limits long-time… read more here.
Keywords: optical diffraction; living cells; microscopy; diffraction tomography ... See more keywords
A novelty for cultural heritage material analysis: Transmission Electron Microscope (TEM) 3D electron diffraction tomography applied to Roman glass tesserae
Sign Up to like & getrecommendations! Published in 2018 at "Microchemical Journal"
DOI: 10.1016/j.microc.2017.12.023
Abstract: Abstract We present a novel electron diffraction technique (Automated precession 3D diffraction tomography - ADT) based on a Transmission Electron Microscope (TEM) to precisely determine unit cell parameters, Space Group symmetry and atomic structure of… read more here.
Keywords: diffraction; electron microscope; electron diffraction; microscope tem ... See more keywords
Electron diffraction tomography and X-ray powder diffraction on photoredox catalyst PDI
Sign Up to like & getrecommendations! Published in 2019 at "CrystEngComm"
DOI: 10.1039/c8ce02026d
Abstract: The crystal structure of photoredox catalyst PDI-iPr was determined by a combination of electron diffraction tomography and XRPD. read more here.
Keywords: photoredox catalyst; diffraction tomography; diffraction; electron diffraction ... See more keywords
A Fast Back-Projection Approach to Diffraction Tomography for Near-Field Microwave Imaging
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2019.2939476
Abstract: A novel fast back-projection (FBP) approach is presented as a more robust alternative to conventional diffraction tomography (DT) for near-field three-dimensional (3-D) microwave imaging. Like DT, the FBP algorithm utilizes the spectral Green's function and… read more here.
Keywords: back projection; fast back; near field; diffraction tomography ... See more keywords
Multiple Buried Target Reconstruction Using a Multiscale Hybrid of Diffraction Tomography and CMA-ES Optimization
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3206722
Abstract: In this article, a hierarchical stochastic optimization algorithm for profiling of multiple high-contrast buried objects in large investigation domains (IDs) is presented. As this problem is highly nonlinear and ill-posed, a combination of different profiling… read more here.
Keywords: cma; step; optimization; diffraction tomography ... See more keywords
High-throughput, volumetric quantitative phase imaging with multiplexed intensity diffraction tomography.
Sign Up to like & getrecommendations! Published in 2019 at "Biomedical optics express"
DOI: 10.1364/boe.10.006432
Abstract: Intensity diffraction tomography (IDT) provides quantitative, volumetric refractive index reconstructions of unlabeled biological samples from intensity-only measurements. IDT is scanless and easily implemented in standard optical microscopes using an LED array but suffers from large… read more here.
Keywords: idt; diffraction tomography; intensity diffraction; intensity ... See more keywords
Reconstructing complex refractive-index of multiply-scattering media by use of iterative optical diffraction tomography.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.380309
Abstract: Conventional optical diffraction tomography (ODT) techniques fail in the presence of multiple scattering, and the problem becomes even more challenging when the medium is also lossy. Iterative ODT (iODT), which was shown recently to be… read more here.
Keywords: multiply scattering; optical diffraction; diffraction tomography; complex refractive ... See more keywords
Iterative optical diffraction tomography with embedded regularization.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.466226
Abstract: Total-variation regularization is applied at each iteration of an iterative framework for optical diffraction tomography. Numerical and experimental tests are performed using various highly scattering objects, and significant improvement in reconstruction SNR are demonstrated. read more here.
Keywords: optical diffraction; diffraction tomography; regularization; iterative optical ... See more keywords
High-fidelity intensity diffraction tomography with a non-paraxial multiple-scattering model.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.469503
Abstract: We propose a novel intensity diffraction tomography (IDT) reconstruction algorithm based on the split-step non-paraxial (SSNP) model for recovering the 3D refractive index (RI) distribution of multiple-scattering biological samples. High-quality IDT reconstruction requires high-angle illumination… read more here.
Keywords: intensity diffraction; multiple scattering; non paraxial; model ... See more keywords
Optical diffraction tomography of second-order nonlinear structures in weak scattering media: theoretical analysis and experimental consideration.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.472637
Abstract: Computed tomography (CT) allows for high lateral and axial resolution imaging of the endogenous structure of matter thanks to its large spatial frequency support and has been realized in X-ray and linear optical domain known… read more here.
Keywords: optical diffraction; order nonlinear; tomography; second order ... See more keywords
Multiple-scattering simulator-trained neural network for intensity diffraction tomography.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.477396
Abstract: Recovering 3D phase features of complex biological samples traditionally sacrifices computational efficiency and processing time for physical model accuracy and reconstruction quality. Here, we overcome this challenge using an approximant-guided deep learning framework in a… read more here.
Keywords: network; multiple scattering; diffraction tomography; intensity diffraction ... See more keywords