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Room-temperature lasing in nanocrystalline Cr2+:ZnSe random laser

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Abstract

We report the first room-temperature pulsed lasing around 2.4 µm from the single-crystalline Cr2+:ZnSe powder active medium with an average particle size of 230 nm and the threshold pump intensity of ~10 kW/cm2.

© 2004 Optical Society of America

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