Using femtose-(cond) pulses laser, the damage threshold of them with 50 pulses is measured with a pulse duration of 50 fs, 200 fs and 400 fs respectively.

• 利用飞秒激光分别对单晶硅、自然生长SESAM及腐蚀后SESAM在50fs、200fs和400fs脉宽下进行了表面烧蚀研究；并且保证每次烧蚀的激光脉冲个数为50个.