Abstract

Broadly tunable laser operation has been obtained at room temperature from the vibronic bands of single-crystal BeAl2O4:Cr3+ under Xe-flashlamp excitation. Continuous tuning is obtained from 701 to 794 nm, with maximum power at 750 nm. Long-pulse operation employing 6.3-mm × 76-mm rods easily provides 500 mJ in 200-μsec bursts, whereas 70-mJ, 120-nsec pulses are obtained under Q-switch operation.

© 1979 Optical Society of America

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