Low Loss in a Gas Filled Hollow Core Photonic crystal fiber. Baghdad Science Journal, Iraq, Baghdad, v. 7, n. 1, p. 129–138, 2025. DOI: 10.21123/bsj.2010.7.1.129-138. Disponível em: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/2881.. Acesso em: 19 jun. 2025.