List of Articles nasrin miri Article 1 - Studying Focusing Properties of Graded Index Photonic Crystals Made of Material with Different Refractive Index 20.1001.1.24237361.2017.2.3.6.4 Nasrin Miri Abdolrasoul Gharaati Journal of Optoelectronical Nanostructures , Issue 6 , Year , Autumn 2017