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Professor/أستاذ:Sahar Ahmed ElNaggar
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Engineering Mathematics and Physics
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| Email : | Sel_naggar***hotmail.com |
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| Qualifications |
|  B.Sc. () "Communication " Cairo (Egypt) |
| M.Sc. () "Engineering Physics" Cairo (Egypt) |
| Ph.D. () "Engineering physics" Cairo (Egypt) |
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| Fields of Interest : |
| Photonic Crystals |
| Solar Cells |
| Photovoltaic |
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| Recent Publications : |
| -2022-Tunable filter based on one-dimensional photonic crystal including nanocomposite material |
| -2017-S. A. El-Naggar, “Terahertz tunable reflectance of extrinsic photonic crystals by external magnetic field,” Eur. Phys. J. D, 71(12) :310 (2017)
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| -2017-A. H. Aly, H. A. Elsayed and S. A. El-Naggar, “Tuning the flow of light in two-dimensional metallic photonic crystals based on Faraday effect," Journal Of Modern Optics, 64 (1), 74-80 (2017) |
| -2015-H. A. Elsayed, S. A. El-Naggar, and A. H. Aly, “Two dimensional tunable photonic crystals and n doped semiconductor materials,” Material chemistry and physics, 160, 221-226 (2015) |
| -2015-A. H. Aly, S. A. El-Naggar, and H. A. Elsayed, “The tunability of two dimensional n-doped semiconductor photonic crystals based on the Faraday effect,” Optics Express, 23(11), 15038-15046 (2015) |
| -2015-S. A. El-Naggar, “Tunable terahertz omnidirectional photonic gap in one dimensional graphene-based photonic crystals,” Opt Quant Electron 47:1627–1636 (2015) |
| -2014-H. A. Elsayed, S. A. El-Naggar and A. H. Aly, “Thermal properties and two-dimensional photonic band gaps,” Journal of Modern Optics, 61(5), 385389 (2014) |
| -2014-S. A. El-Naggar, H. A. Elsayed, and A. H. Aly, “Maximization of Photonic Bandgaps in Two-Dimensional Superconductor Photonic Crystals,” J Supercond Nov Magn 27(7):1615–1621 (2014) |
| -2014-A. H. Aly, H. A. Elsayed and S. A. El-Naggar, “The properties of cutoff frequency in two-dimensional superconductor photonic crystals,” Journal of Modern Optics, 61(13), 1064-1068 (2014) |
| -2013-S. A. El-Naggar, “Properties of defect modes in one-dimensional photonic crystals that contain single negative materials,” Opt. Eng. 52(2), 024602 (Feb 04, 2013); http://dx.doi.org/10.1117/1.OE.52.2.024602 |
| -2013-S. A. El-Naggar, “Enlarged omnidirectional photonic gap in one dimensional ternary plasma photonic crystals that contain metamaterials,” Eur. Phys. J. D 67: 54 (2013) |
| -2012-Samia I. Mostafa, Nadia H. Rafat and S. A. El-Naggar, “One-dimensional metallic-dielectric (Ag/SiO2) photonic crystals filter for thermophotovoltaic applications,” Renewable Energy, 45 , 245-250 |
| -2012-S. A. El-Naggar, Samia I. Mostafa and Nadia H. Rafat, “Complete band gaps of phononic crystal plates with square rods,” Ultrasonics 52 , 536–542 |
| -2012-S. A. El-Naggar, “Robust wide zero-average-index gap in photonic heterostructures that incorporate left-handed materials,” Physica B 407 , 3982–3986 |
| -2012-S. A. El-Naggar, “Dependency of the photonic band gaps in two-dimensional metallic photonic crystals on the shapes and orientations of rods,” Optical Engineering 51(6), 068001 |
| -2011-S. A. El-Naggar, Nadia H. Rafat and Samia I. Mostafa, “Design of photonic band gaps in one-dimensional SiO2/a-Si photonic crystals,” J. of Optoelectronics and Adv. Materials, 13(7) , p. 781 – 785, 2011 |
| -2011-Nadia H. Rafat, S. A. El-Naggar and Samia I. Mostafa, “Modeling of a wide band pass optical filter based on 1D ternary dielectric–metallic–dielectric photonic crystals,” J. Opt. 13, 085101 (8pp), (2011) |
| -2004-Ahmed A. Abouelsaood and S. A. El-Naggar, “A Rigorous, Coupled-Wave Transfer Matrix Method for Two-Dimensional Threshold Analysis of Distributed Feedback Semiconductor Lasers”, Journal of Computational Electronics 3: 67–80, 2004. |
| -2002-2) Ahmed A. Abouelsaood, S. A. El-Naggar and M. Y. Ghannam, “Shape and Size Dependence of the Anti-Reflective and Light-Trapping Action of Periodic Grooves”, , PROGRESS IN PHOTOVOLTAICS: Res. Appl. , 10:513–526 (DOI: 10.1002/pip.443), 2002. |
| -1999-1) M.Y. Ghannam, S.El-Naggar, N.Rafat and A.A. Abouelsaood , “Analytical study of carrier photogeneration and photocurrent in thin silicon solar cells with specular and diffuse back reflector”, IEEE Transactions on Electron Devices, Vol. 46, p. 2072, October 1999 |
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