Poudereux, David, Manuel Cano-García, Domenico Alj, Roberto Caputo, Cesare Umeton, Morten Andreas Geday, José Manuel Otón, and Xabier Quintana. “Recording Policryps Structures in Photonic Crystal Fibers”. Photonics Letters of Poland 9, no. 1 (March 31, 2017): pp. 5–7. Accessed November 20, 2024. http://m.photonics.pl/PLP/index.php/letters/article/view/9-3.