The Polarization of Luminescence of Ruby

Luminescence and Absorption of Excited Ruby

Variation in the Degree of Polarization and Luminescence Decay Rate of the R Lines of Ruby under Strong Excitation

Temperature dependence of the luminescence from heavily doped ruby

Concentration dependence of the intensity of luminescence in concentrated ruby

Two-photon Excitation of Luminescence in Ruby Crystals

Magnetic-field radiationless-transition stimulation in ruby luminescence