Alrumeithi J, Goncharenko IA. A single-frequency laser on the base of Er – Yb co-doped optical fiber with fiber Bragg gratings. Журнал Белорусского государственного университета. Физика. 2023;(2):4-13. Accessed July 17, 2026. https://journals.bsu.by/index.php/physics/article/view/5466