Robuta

https://digitalrepository.unm.edu/ose_etds/104/ "Exploration of Semiconductor Gain Medium, Resonator, Pump, and Frequen" by Mingyang Zhang Laser Guide Star (LGS) systems are essential for adaptive optics in ground-based astronomical observation. This dissertation demonstrates the feasibility of... gain medium https://pure.ul.ie/en/publications/triple-wavelength-fiber-ring-laser-based-on-a-hybrid-gain-medium-/ Triple-wavelength fiber ring laser based on a hybrid gain medium actively mode-locked at 10 GHz -... https://research.polyu.edu.hk/en/publications/multiwavelength-erbium-doped-fiber-ring-laser-source-with-a-hybri/ Multiwavelength erbium-doped fiber ring laser source with a hybrid gain medium - PolyU Scholars Hub