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http://dx.doi.org/10.3807/KJOP.2006.17.2.203

Formation of nano-pattern on metal using femtosecond laser pulses  

Choi, Sung-Chul (Femto Science Laboratory, Advanced Photonics Research Institute, Gwangju Institute of Science and Technology)
Lee, Yeung-Lak (Femto Science Laboratory, Advanced Photonics Research Institute, Gwangju Institute of Science and Technology)
Noh, Young-Chul (Femto Science Laboratory, Advanced Photonics Research Institute, Gwangju Institute of Science and Technology)
Lee, Jong-Min (Femto Science Laboratory, Advanced Photonics Research Institute, Gwangju Institute of Science and Technology)
Ko, Do-Kyeong (Femto Science Laboratory, Advanced Photonics Research Institute, Gwangju Institute of Science and Technology)
Lee, Jung-Hoon (LG Electronics Inc. RMC Division)
Kim, Kang-Yoon (LG Electronics Inc. RMC Division)
Kim, Chang-Jong (LG Electronics Inc. RMC Division)
Lee, Ung-Sang (LG Electronics Inc. RMC Division)
Heo, Myeong-Koo (LG Electronics Inc. RMC Division)
Publication Information
Korean Journal of Optics and Photonics / v.17, no.2, 2006 , pp. 203-206 More about this Journal
Abstract
Femtosecond laser-induced nano-patterning of an Al surface coated on a slide glass is reported in this paper. It was found that the period of the laser-induced nano-patterning was much dependent on the incident laser power and pulse number. Through finely adjusting the laser power and pulse number, uniform nano-patterns could be formed on the Al surface. It is based on the interference of the incident laser beam with some form of a surface scatted electromagnetic wave. It was also found that an Al oxide layer played an important role in forming the nano-patterning on the Al surface.
Keywords
Femtosecond laser; nano-patterning; Al sample; Oxide layer;
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