List of Articles ناهید فرهادی مهر Article 1 - Investigating the Properties of an Optical Waveguide Based on Photonic Crystal with Point Defect and Lattice Constant Perturbation 20.1001.1.24237361.2016.1.1.6.3 Khojasteh Zarei Ghahraman Solookinejad Masoud Jabbari Journal of Optoelectronical Nanostructures , Issue 1 , Year , Summer 2016