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Single crystal of Yb x Y 1- x Al 3(BO 3) 4 (Yb∶YAB) was grown by using flux method based on the potassium trimolybdate. 160 mW efficient continuous wave green output was obtained from a fibre coupled 976 nm laser diode. The conversion efficiency is larger than 11 3%, and the electrical input green conversion efficiency is 3 9%. Tunable green output from 513 0 to 545 8 nm is also demonstrated with a quartz birefringent filter. By enhancing the incident pump power, 1 1 W cw green output can be reached.
Single crystal of Yb x Y 1- x Al 3 (BO 3) 4 (Yb: YAB) was grown by using flux method based on the potassium trimolybdate. 160 mW efficient continuous wave green output was obtained from a fiber coupled 976 nm laser diode . The conversion efficiency is larger than 11 3%, and the electrical input green conversion efficiency is 39%. Tunable green output from 513 0 to 545 8 nm is also demonstrated with a quartz birefringent filter. 1 W cw green output can be reached.