List of Articles mohsen ranjbaran Article 1 - Observation of Raman Gain in Reduced Length of Bismuth Erbium Doped Fiber 20.1001.1.24237361.2020.5.3.5.4 شریفه شاهی PARVANE MARNANI mohsen ranjbaran sulaiman harun Journal of Optoelectronical Nanostructures , Issue 18 , Year , Autumn 2020