SPECTROSCOPIC PROPERTIES OF Nd3+ DOPED IN YTTERBIUM ZINC LITHIUMCALCIUM POTASSIUMNIOBATE PHOSPHATE GLASSES. acta [Internet]. 2024 Jan. 10 [cited 2024 Dec. 27];7(1):9-20. Available from: https://periodicosulbra.org/index.php/acta/article/view/3