Abstract
Spectroscopic properties and laser performance of new laser materials based on Yb-doped tungstates have been investiged. Room temperature lasing near 1025 nm has been demonstrated in Yb:KY(WO)2 and Yb:KGd(WO4)2 under Ti-sapphire and InGaAs diode laser pumping. A slope efficiency up to 78% at cw pumping and up to 86.9% at pulsed laser pumping has been obtained.
© 1997 Optical Society of America
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