Żmojda, Jacek, Piotr Miluski, Marcin Kochanowicz, Jan Dorosz, Agata Baranowska, Magdalena Leśniak, and Dominik Dorosz. “Luminescent Properties of Active Optical Fibers”. Photonics Letters of Poland 11, no. 2 (July 1, 2019): 50–52. Accessed November 23, 2024. http://photonics.pl/PLP/index.php/letters/article/view/11-16.