Rashwan, H. H., S. Mostafa, E. H. Elkhawas, and S. A. ElNaggar, "Tunable filter based on one-dimensional photonic crystal including nanocomposite material", THE EUROPEAN PHYSICAL JOURNAL D, vol. 76:50, pp. 1-9, 2022.
Masoud, A. M., I. S. Ahmed, S. A. El‑Naggar, and M. D. Asham, "Design and simulation of all-optical logic gates based on two-dimensional photonic crystals", Journal of Optics (India), 2022.
Deif, A. S., and S. A. ElNaggar, "A Mathematical Model for the Coronavirus Spread, A Case Study of Egypt", Journal of the Egyptian Mathematical Society, vol. 29:13, pp. 1-16, 2021.
Wafa, M. I., Y. M. ElBatawy, and S. A. El‑Naggar, "Stochastic modeling of 2D photonic crystals", Optical and Quantum Electronics volume, vol. 53 (261), pp. 1-11, 2021.
Wafa, M. I., Y. M. ElBatawy, and S. A. ElNaggar, "Stochastic analysis for one dimensional photonic crystals", Optik, vol. 208, pp. 164106, 2020.
ElNaggar, S. A., T. K. Nguyen, and V. Dhasarathan, "Numerical analysis of tunable defect mode in cylindrical photonic crystals configuration", Microwave and Optical Technology Letters, vol. 62, issue 10, pp. 3351-3358, 2020.
Akter, S., K. Ahmed, S. A. El‑Naggar, S. A. Taya, T. K. Nguyen, and V. Dhasarathan, "Highly Sensitive Refractive Index Sensor for Temperature and Salinity Measurement of Seawater", Optik, vol. 216, pp. 164901, 2020.
Al‑Ashi, N. E., S. A. Taya, S. A. El‑Naggar, D. Vigneswaran, and I. S. Amiri, "Optical fiber surrounded by a graphene layer as an optical sensor", Optical and Quantum Electronics, vol. 52, pp. 187, 2020.
El Naggar, S. A., "Properties of defect modes in cylindrical photonic crystals", Optik, vol. 200, pp. 163447, 2020.
ElNaggar, S. A., "Terahertz tunable reflectance of extrinsic photonic crystals by external magnetic field", European Physical Journal D, vol. 71, issue 12, pp. 310, 2017.
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