TWO-STEP EXCITATION IN TRIVALENT THULIUM

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

Electronic Energy Levels and Crystal Quantum States of Tm (IV)

John B. Gruber, John G. Conway · The Journal of Chemical Physics · 1960 · 63 citations · Full text

Natural Sciences, Chemistry, Physics +7

Infrared Quantum Counter Action in Er-Doped Fluoride Lattices

M. R. Brown, W. A. Shand · Physical Review Letters · 1964 · 50 citations

Natural Sciences, Materials Science, Physics +14

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

Infrared-Optical Double Resonance in Rare-Earth Crystals

F. Varsanyi · Physical Review Letters · 1965 · 23 citations

Natural Sciences, Chemistry, Materials Science +14