Time-resolved shadowgraphs and morphology analyses of aluminum ablation with multiple femtosecond laser pulses*

Project supported by the Science and Technology Development Fund Planning Project for the Universities of Tianjin, China (Grant No. 20140902), the Natural Science Foundation of Tianjin City, China (Grant No. 16JCQNJC01900), the National Natural Science Foundation of China (Grant Nos. 51376136 and 61474082), and the Science and Technology Achievement Award Project for the Universities of Tianjin, China.

Wu Zehua1, †, Zhang Nan2, ‡, Zhu Xiaonong2, An Liqun1, Wang Gangzhi1, Tan Ming1
       

Shadowgraphs of 50-fs laser pulse ablation of aluminum recorded at the indicated delay time. In panel (f-1), S is the shock wave front and E is the ejected material. Frame size is 112 μm× 151 μm.