Infra-red quantum counter action in Dy doped CaF2 and SrF2

Solid State Infrared Quantum Counters

N. Bloembergen · Physical Review Letters · 1959 · 644 citations

Natural Sciences, Physics, Condensed Matter Physics +9

Spectrum and Magnetic Properties of Hexagonal DyCl3

H. M. Crosswhite, G. H. Dieke · The Journal of Chemical Physics · 1961 · 67 citations

Natural Sciences, Chemistry, Physics +17

Fluorescence Excitation by the Absorption of Two Consecutive Photons

John F. Porter · Physical Review Letters · 1961 · 66 citations

Natural Sciences, Materials Science, Optical Materials +8

Infrared Quantum Counter Action in Pr-Doped Fluoride Lattices

M. R. Brown, W. A. Shand · Physical Review Letters · 1963 · 32 citations

Natural Sciences, Materials Science, Physics +14