Ultrafast thermal dynamics of nano-ripples formation via laser double pulses excitation
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- 作者：Guangqing Du ; Yanmin Wu ; Noor Uddin ; Qing Yang ; yangqing@mail.xjtu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Feng Chen ; chenfeng@mail.xjtu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Yu Lu ; Hao Bian ; Xun Hou
- 关键词：Nano-ripples ; Femtosecond laser ; Double pulses ; Thermal dynamics
- 刊名：Optics Communications
- 出版年：2016
- 出版时间：15 September 2016
- 年：2016
- 卷：375
- 期：Complete
- 页码：54-57
- 全文大小：802 K
文摘
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The ultrafast thermal dynamics is proposed for explaining nano-ripples formation.
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The interplay of the electron diffusion and electron–phonon coupling are responsible for regulating nano-ripples formation.
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The pulse-to-pulse relevance coupling into target material can explain nano-ripples contrast modulation.