List of Articles Finite-Difference Time-Domain (FDTD) Open Access Article Abstract Page Full-Text 1 - Investigation of Using Anti-Reflecting Coatings in CZTS Solar Cells to Enhance the Light Absorption: Optimization by FDTD Method Mina Mirzaei Javas Hasanzadeh Ali Abdolahzadeh Ziabari Mehdi Mirzaei Open Access Article Abstract Page Full-Text 2 - Novel Four-Channel All Optical Demultiplexer Based on Square PhCRR for Using WDM Applications Vahid Fallahi Mahmood Seifouri