Abstract
A systematic investigation of the spectroscopy properties and semiconductor saturable absorber mirror mode-locking performances of highly doped Yb:Sr3Y2(BO3)4 (Yb:SYB) crystal was reported for the first time. The broad emission spectral bands indicate the great potential of Yb:SYB for ultrafast laser applications. 116 fs, 120 fs and 126 fs pulses lasers were generated with more than 1 W average output power from the a-cut, b-cut and c-cut Yb:SYB based oscillators, respectively. The corresponding slope efficiencies and optical to optical efficiencies could reach to 49–54% and 31–33%, respectively. The experimental results show the excellent potential of Yb:SYB crystal for generating highly efficient femtosecond lasers.
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