Abstract

CrO43 and MnO42 doped crystals exhibit broadband emission between 11000 and 7000 cm−1 upon VIS/NIR excitation. Thermal quenching is within acceptable limits: The Li3PO4: Cr5+ and BaSO4:Mn6+ emission persists up to room temperature with estimated quantum efficiencies of more than 20%.

© 1996 Optical Society of America

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