SHAKER, Maan M.; MAJEED, Mahmood Sh.; DAOUD, Raid W. A New Approach for Representing Photonic Crystal Fiber Index Profile to Determine their Optical Characteristics. Iraqi Journal for Electrical and Electronic Engineering, [S. l.], v. 7, n. 1, p. 73–77, 2011. DOI: 10.37917/ijeee.7.1.14. Disponível em: https://ijeee.edu.iq/ijeee/article/view/156. Acesso em: 8 dec. 2025.