Abstract
A combination of broad luminescence transitions, high luminescence quantum efficiency and large oscillator strength makes Co2+-doped spinels interesting candidates for tunable solid-state lasers in the visible and near infrared.1,2 In this paper crystal growth, optical absorption and luminescence of tetrahedrally coordinated divalent cobalt have been studied in LiGa5O8 (LGO) and ZnGa2O4 (ZGO) spinels.
© 1995 IEEE
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