The opticalbreakdown includes mainly four kinds of effects which are flash, sound, sputter, and hole corrosion effects.
光学击穿主要包括四种效应，即闪光效应，声响效应，溅射效应，以及穴蚀效应。
2
Under the condition of opticalbreakdown, a high ratio of laser to sound energy conversion can be obtained with a large laser beam waist radius.
在保证光击穿的条件下，选择较大的激光焦斑半径，可提高光声能量转换效率。
3
The opticalbreakdown includes mainly four kinds of effects which are flash, sound, sputter, and hole corrosion effects. In this paper, we have discussed principally sound effect.