Search Results - "Ayoub, Ahmed B."

High speed, complex wavefront shaping using the digital micro-mirror device by Ayoub, Ahmed B., Psaltis, Demetri

“…Digital micro-mirror devices (DMDs) have been deployed in many optical applications. As compared to spatial light modulators (SLMs), they are characterized by…”
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Optical Diffraction Tomography Using Nearly In-Line Holography with a Broadband LED Source by Ayoub, Ahmed B., Roy, Abhijit, Psaltis, Demetri

“…We present optical tomography methods for a 3D refractive index reconstruction of weakly scattering objects using LED light sources. We are able to record…”
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High-fidelity optical diffraction tomography of multiple scattering samples by Lim, Joowon, Ayoub, Ahmed B., Antoine, Elizabeth E., Psaltis, Demetri

“…We propose an iterative reconstruction scheme for optical diffraction tomography that exploits the split-step non-paraxial (SSNP) method as the forward model…”
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Three-dimensional tomography of red blood cells using deep learning by Lim, Joowon, Ayoub, Ahmed B, Psaltis, Demetri

“…We accurately reconstruct three-dimensional (3-D) refractive index (RI) distributions from highly ill-posed two-dimensional (2-D) measurements using a deep…”
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Fluorescence-Based and Fluorescent Label-Free Characterization of Polymer Nanoparticle Decorated T Cells by Thomsen, Tanja, Ayoub, Ahmed B, Psaltis, Demetri, Klok, Harm-Anton

“…Cells are attractive carriers for the transport and delivery of nanoparticulate cargo. The use of cell-based carriers allows one to enhance control over the…”
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3D reconstruction of weakly scattering objects from 2D intensity-only measurements using the Wolf transform by Ayoub, Ahmed B, Lim, Joowon, Antoine, Elizabeth E, Psaltis, Demetri

“…A new approach to optical diffraction tomography (ODT) based on intensity measurements is presented. By applying the Wolf transform directly to intensity…”
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One Step Fabrication of Highly Absorptive and Surface Enhanced Raman Scattering (SERS) Silver Nano-trees on Silicon Substrate by Razek, Sara Abdel, Ayoub, Ahmed B., Swillam, Mohamed A.

“…Silver Nano-trees (AgNTs) were synthesized by one-step electroless method with different densities via water or ethylene glycol (EG) on silicon substrate in…”
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Optical modulator using ultra-thin silicon waveguide in SOI hybrid technology by Ayoub, Ahmed B., Swillam, Mohamed A.

“…We propose a detailed study of an on-chip optical modulator using a non-conventional silicon-based platform. This platform is based on the optimum design of…”
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Polarization-sensitive optical diffraction tomography by Saba, Amirhossein, Lim, Joowon, Ayoub, Ahmed B., Antoine, Elizabeth E., Psaltis, Demetri

“…Polarization of light has been widely used as a contrast mechanism in two-dimensional (2D) microscopy and also in some three-dimensional (3D) imaging…”
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Physics-informed neural networks for diffraction tomography by Saba, Amirhossein, Gigli, Carlo, Ayoub, Ahmed B., Psaltis, Demetri

“…We propose a physics-informed neural network (PINN) as the forward model for tomographic reconstructions of biological samples. We demonstrate that by training…”
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A method for assessing the fidelity of optical diffraction tomography reconstruction methods using structured illumination by Ayoub, Ahmed B., Pham, Thanh-an, Lim, Joowon, Unser, Michael, Psaltis, Demetri

“…A fundamental challenge in 3D tomographic reconstruction is the difficulty of obtaining ground truth about test objects with which to assess the fidelity of…”
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High efficiency compact Bragg sensor by Abdeen, Ahmed S., Ayoub, Ahmed B., Attiya, Ahmed M., Swillam, Mohamed A.

“…We propose a highly efficient compact sensor that is based on Bragg gratings. The high efficiency represent the coupling power to the grating waveguide. We…”
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Physics-informed neural networks for diffraction tomography by Saba, Amirhossein, Gigli, Carlo, Ayoub, Ahmed B, Psaltis, Demetri

“…We propose a physics-informed neural network as the forward model for tomographic reconstructions of biological samples. We demonstrate that by training this…”
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Optical Diffraction Tomography based on 3D Physics-Inspired Neural Network (PINN) by Ayoub, Ahmed B, Saba, Amirhossein, Gigli, Carlo, Psaltis, Demetri

“…Optical diffraction tomography (ODT) is an emerging 3D imaging technique that is used for the 3D reconstruction of the refractive index (RI) for…”
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Single-cell phase-contrast tomograms data encoded by 3D Zernike descriptors by Memmolo, Pasquale, Pirone, Daniele, Sirico, Daniele G, Miccio, Lisa, Bianco, Vittorio, Ayoub, Ahmed B, Psaltis, Demetri, Ferraro, Pietro

“…Phase-contrast tomographic flow cytometry combines quantitative 3D analysis of unstained single cells and high-throughput. A crucial issue of this method is…”
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Method for Assessing the Fidelity of Optical Diffraction Tomography Reconstruction Methods by Ayoub, Ahmed B, Pham, Thanh-An, Lim, Joowon, Unser, Michael, Psaltis, Demetri

“…We use a spatial light modulator in a diffraction tomographic system to assess the accuracy of different refractive index reconstruction algorithms. Optical…”
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