Abstract
Passively Q-switched mode locking in a compact Nd:GdVO4 self-Raman laser with a Cr:YAG saturable absorber was demonstrated. The picosecond first stokes at 1173nm was successfully obtained. When the optical cavity length changed from 167mm to 120mm, the mode-locked pulse repetition rate increased from 0.9GHz to 1.25GHz. At the maximum diode pump power of 10W and with a pulse repetition rate of 0.9GHz, an average output power up to 105mW has been achieved at 1173nm. In addition, the yellow laser output at 586.5nm was also realized by frequency doubling with an LBO crystal.
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