Abstract

We have demonstrated 5.5 W of average power in the TEM00 mode with a slope efficiency of 30% from a copper-vapor-laser-pumped Ti:Al2O3 laser at a pulse repetition rate of 6.5 kHz and a pump power of 21.4 W. The laser crystal was longitudinally pumped through both end faces. With a three-plate birefringent tuner the laser bandwidth was reduced to less than 0.25 nm and was tunable from 750 to 825 nm.

© 1993 Optical Society of America

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