Yb:NaGd(WO/sub 4/)/sub 2/ tunable solid-state laser operation with Ti:sapphire and diode laser pumping

Room temperature laser operation near 1030 nm of Yb
³⁺
in the disordered crystal NaGd(WO
₄
)
₂
with slope efficiencies exceeding 30%, output powers more than 300 mW, and tuning from 1016 to 1049 nm are demonstrated