List of Articles Open Access Article Abstract Page Full-Text 1 - Calculation of the energy levels of graphene Nano-discs using the semi-empirical tight-binding method Masoumeh Khodagholi Bahram Bahrami Zeynab Kiamehr https://doi.org/10.71577/jopn.2025.1208072 Open Access Article Abstract Page Full-Text 2 - Enhancing CIGS Solar Cell Efficiency through Gold, Silver, and Aluminum Plasmonic Nanostructures Marzieh Akbari Fatemeh Dabbagh Kashani Seyed Mohhammad Mir Kazemi Open Access Article Abstract Page Full-Text 3 - Design of Directional Coupler Structure in Electro-Optic Integrated Circuit Using Refractive Index Sensor Based on Silicon Nitride Substrate Sina Tahanazadeh Sharifeh Shahi Atefeh Salimi Shahraki Open Access Article Abstract Page Full-Text 4 - Optical Density Tuning through Refractive Index Contrast in Periodic and Quasi-Periodic 1D Photonic Crystals Hadi Rahimi Open Access Article Abstract Page Full-Text 5 - Precise Prognosis of Hypercholesterolemia and Acute Kidney Diseases by Photonic Crystal Biosensor Atefeh chahkoutahi