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Passive Q-switching of Er:glass laser with Cr2+ :ZnSe and Co2+:ZnSe saturable absorbers

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Abstract

Passive Q-switching of Er:glass laser has been demonstrated with Cr2+:ZnSe and Co2+: ZnSe saturable absorbers. The pulse duration of about 50 ns and output pulse energy of 5 mJ were obtained with both Co:ZnSe and Cr:ZnSe passive shutters. A Q-switched conversion efficiency of as much as 26% was obtained for Cr:ZnSe. Theoretical modeling exhibits satisfactory agreement with the experimental data.

© 2000 Optical Society of America

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