Abstract

The long wave-infrared (LWIR) emission around 8µm of Sm3+ and Tb3+ doped chalcogenide fibers is reported. These rare-earth doped fibers exhibit a significant emission band from 6.5 to 8.5µm with a maximum emission around 7.3 µm with the Sm3+ doping while the Tb3+ emission is centered at 8µm.

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