Abstract
Spectroscopic properties of Fe2+ in pure and Cr2+ co-doped ZnSe under 5E→5T2 excitation, via Fe2+ ionization transitions, and Cr2+⟹Fe2+ energy transfer are studied. RT gain- switched lasing of Fe2+:ZnSe tunable over 3.9-4.8μm spectral range is reported.
© 2006 Optical Society of America
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