Optical properties of O2− centres in KCl∶NaCl mixed crystals
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The optical properties of O2− centres in KCl∶NaCl mixed crystals were investigated. The timeresolved spectra and the fluorescence decay time are shown. From the measurements of the radiative decay time, the oscillator strength of the absorption,fab=0.045, the oscillator strength of the fluorescence,ffluo=0.019, and the activation energy ΔE=0.22 eV for the O2− centre in KCl∶NaCl were determined.
KeywordsPolymer Activation Energy Optical Property Decay Time Oscillator Strength
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