Journal of Experimental and Theoretical Physics
Optical Relaxation of Ho 3+ and Er 3+ Ions in the CaF 2 Lattice (Type I) in the Visible Wavelength Region
Yu. K. Voron’ko, Alexander A. Kaminskii, В. В. Осико
Journal of Experimental and Theoretical Physics
Yu. K. Voron’ko, Alexander A. Kaminskii, В. В. Осико