Abstract

Experimental results and calculated data on the study of the temperature dependence of the lasing efficiency of the pulsed three-micrometer YAG:Er3+ laser in the range T = −80 − +80°C are presented. It was shown that a decrease in the laser crystal temperature from room temperature to T = −80°C leads to an increase in the laser output energy by a factor of 3−4 at the same energy of lamp pumping. Accordingly, the differential lasing efficiency increases (about three times).

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