Pajewski, Łukasz, Łukasz Sójka, Samir Lamrini, Trevor Benson, Angela Seddon, and Sławomir Sujecki. “Experimental Investigation of Mid-Infrared Er:ZBLAN Fiber Laser”. Photonics Letters of Poland 12, no. 3 (September 30, 2020): 73–75. Accessed May 20, 2024. http://www.photonics.pl/PLP/index.php/letters/article/view/12-25.