Study of the defect in the CaF2 materials via a laser-induced fluorescence measurementMariem Guesmi, Tomaš Thoř, František Procháska, Oumayma Taboubi, Ivana Šeděnková and Karel ŽídekEPJ Web Conf., 309 (2024) 06021DOI: https://doi.org/10.1051/epjconf/202430906021