Abstract
Passive Q-switching of flash-lamp pumped Cr,Er:YSGG laser operating at 2.79 μm was demonstrated with Fe:ZnSe, Co:ZnSe and Co:ZnS saturable absorbers. The output pulses with energy of 60 mJ and 35 mJ and pulse width of 170 ns and 230 ns were obtained with Fe:ZnSe and Co:ZnSe, respectively. GSA and ESA cross sections have been estimated for Fe:ZnSe, Co:ZnSe and Co:ZnS crystals from absorption saturation measurements.
© 2002 Optical Society of America
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