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Mid-IR Spectral and Laser Properties Comparison of Cr:ZnSe and Cr:Zn1-xMnxSe (x ≈ 0.05, 0.1, 0.2, 0.3) Single Crystals

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Temperature dependences of Cr2+ spectral and laser characteristics of Cr:ZnSe and Cr:Zn1-xMnxSe (x≈0.05, 0.1, 0.2, and 0.3) single crystals are compared and reported for ~1.73 μm laser excitation. Slope efficiency of ~44% at 78 K with pulse duration of ~140 ns was demonstrated.

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