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Contrasted behavior of ripple morphology evolution on metals irradiated with temporally shaped femtosecond laser pulse
Author(s): Jiabo Zhang; Liyan Zheng; Lei Wang; Kaihu Zhang; Li Jiao; Xibin Wang; Ze Gao
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Paper Abstract

Morphological evolution of ripple on nickel surface induced by temporally shaped femtosecond laser irradiation were studied and compared with titanium. It was revealed that the transformation of single-pulse irradiation into double-pulse irradiation can exert very different influence on ripple morphology evolution for different metals. For nickel, the double-pulse irradiation resulted in the growth in rippled area, ripple period and ripple contrast, compared with the single-pulse irradiation, while double-pulse processing of titanium leads to reductions in in rippled area and ripple period. The contrasted influence of Te on electron-phonon coupling factor (G) for the two metals was the primary factor for the different behaviors of ripple morphology evolution with temporal pulse shaping.

Paper Details

Date Published: 18 December 2019
PDF: 6 pages
Proc. SPIE 11333, AOPC 2019: Advanced Laser Materials and Laser Technology, 113331K (18 December 2019); doi: 10.1117/12.2549454
Show Author Affiliations
Jiabo Zhang, Beijing Institute of Technology (China)
China Academy of Space Technology (China)
Liyan Zheng, China Academy of Space Technology (China)
Lei Wang, China Academy of Space Technology (China)
Kaihu Zhang, China Academy of Space Technology (China)
Li Jiao, Beijing Institute of Technology (China)
Xibin Wang, Beijing Institute of Technology (China)
Ze Gao, China Academy of Space Technology (China)


Published in SPIE Proceedings Vol. 11333:
AOPC 2019: Advanced Laser Materials and Laser Technology
Pu Zhou; Jian Zhang; Wenxue Li; Shibin Jiang; Takunori Taira, Editor(s)

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