Infrared to visible up-conversion luminescence of SrF2:Ho particles upon excitation of the 5I7 level of Ho3+ ions. Journal of Luminescence, 2023, v.261. 119942

Sergey Gushchin, Maksim Chernov; Pavel Fedorov; Anton Kuzmin; Sergey Kuznetsov; Andrey Lyapin; Vera Proydakova; Polina Ryabochkina; Valery Voronov. Infrared to visible up-conversion luminescence of SrF2:Ho particles upon excitation of the 5I7 level of Ho3+ ions. Journal of Luminescence, 2023, v.261. 119942, doi.org/10.1016/j.jlumin.2023.119942.