JOURNAL, B. S. Low Loss in a Gas Filled Hollow Core Photonic crystal fiber: Hanan J. Taher . مجلة بغداد للعلوم, Iraq, Baghdad, v. 7, n. 1, p. 129-138, 2010. DOI: 10.21123/bsj.2010.7.1.129-138. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2881. Acesso em: 17 2021.