The experiment results indicated that time coherency of the mode-locked and cw laser relates to active medium, cavity length and oscillating linewidth, basically depends on cavity cscillating linewidth.

• 实验结果表明锁模激光及连续激光相干性均与激光工作物质、激光器腔长和激光器腔内振荡线宽有关,并基本上由腔内振荡线宽决定。