Dr. Somia Mostafa El-Hefnawy Profile

Dr. Somia Mostafa El-Hefnawy

at Mansoura Univ

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Author

Publications (7)

Proceedings Article | 22 May 2009 Paper

IR analysis of polyvinylidene fluoride doped with transition metal halides

Somia El Hefnawy, Mervet Aboelkher, H. Abdelkader

Proceedings Volume 7378, 73780T (2009) https://doi.org/10.1117/12.820521

KEYWORDS: Polymers, Annealing, Crystals, Doping, Transition metals, Quantitative analysis, Transducers, Radiation effects, Imaging arrays, Ferroelectric polymers

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Proceedings Article | 22 May 2009 Paper

X-ray analysis of polyvinylidene fluoride doped with transition metal halides

Somia El Hefnawy, Mervet Aboelkher, H. Abdelkader

Proceedings Volume 7378, 73780U (2009) https://doi.org/10.1117/12.819433

KEYWORDS: Diffraction, Polymers, Annealing, Crystals, X-rays, X-ray diffraction, Doping, Transition metals, Ferroelectric polymers, Actinium

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Proceedings Article | 25 July 2003 Paper

Using genetic algorithms for developing amorphous silicon atomistic model

Somia El-Hefnawy

Proceedings Volume 4986, (2003) https://doi.org/10.1117/12.473070

KEYWORDS: Amorphous silicon, Genetic algorithms, Data modeling, Chemical species, Crystals, Computing systems, Computer simulations, 3D modeling, Systems modeling, Evolutionary algorithms

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Proceedings Article | 7 October 1999 Paper

Mathematical modeling of human eye retina for solving edge-detection problem

Somia El-Hefnawy, Abed Nasr

Proceedings Volume 3817, (1999) https://doi.org/10.1117/12.365899

KEYWORDS: Mathematical modeling, Edge detection, Rods, Visual process modeling, Visualization, Sensors, Retina, Receptors, Neurons, Cones

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Proceedings Article | 28 September 1999 Paper

Analysis of optical switches

Abed Nasr, Somia El-Hefnawy

Proceedings Volume 3786, (1999) https://doi.org/10.1117/12.363794

KEYWORDS: Optical fibers, Refractive index, Polishing, Switches, Switching, Waveguides, Cladding, Fiber couplers, Optical switching, Liquids

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Proceedings Article | 29 December 1998 Paper

Volumetric properties for three-dimensional solid objects using optical images

Somia El-Hefnawy, El-Sayed El-Konyaly

Proceedings Volume 3520, (1998) https://doi.org/10.1117/12.334337

KEYWORDS: Optical spheres, Cameras, Image processing, Computing systems, 3D modeling, Robots, Solids, Algorithm development, Binary data, 3D image processing

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Proceedings Article | 23 September 1994 Paper

Photovoltaic effect in ferroelectric polyvinylidene fluoride (PVF2) polymer

Wamadeva Balachandran, A. Tawansi, H. Abdelkader, El-Sayed El-Konyaly, Somia El-Hefnawy

Proceedings Volume 2285, (1994) https://doi.org/10.1117/12.187510

KEYWORDS: Mathematical modeling, Thin films, Photovoltaics, Electrodes, Polymers, Glasses, Electrons, Ions, Ferroelectric polymers, Polymer thin films

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Showing 5 of 7 publications

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