Abstract
In this Letter, we demonstrate a nonlinear-mirror (NLM) mode-locked diode-pumped solid-state laser operating at , in which the NLM comprises a periodically poled crystal and a dichroic mirror. The self-starting threshold for cw mode locking is , which is significantly lower than that of saturable absorber mode locking. An average power of at is obtained under diode pump power of at , with the slope efficiency being up to 16.8%. The pulse width and the repetition rate of the mode-locked laser output are about and , respectively.
© 2011 Optical Society of America
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