Vacuum ultraviolet 5d${}^1$4f${}^9$-4f${}^{10}$ emission of Ho${}^{3+}$ ions in alkaline-earth fluorides

E. A. Radzhabov, V. Nagirnyi, A. I. Nepomnyashchikh

Time-resolved emission, excitation as well as emission decay curves of CaF${}_2$, SrF${}_2$, BaF${}_2$ doped with HoF${}_3$ were investigated. Most intensive emission bands near 168 nm, ha…