Reflectivity in femtosecond-laser-induced structural changes of diamond-like carbon film
Reflectivity in femtosecond-laser-induced structural changes of diamond-like carbon film
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DOI：
10.1007/s00339-004-3008-0
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发表时间：
2005-01-01
影响因子：
2.7
通讯作者：
Kiuchi, J
中科院分区：
文献类型：
--
作者：
Miyazaki, K;Maekawa, N;Kiuchi, J
我们报告的反射率的特征变化的类金刚石碳（DLC）膜的飞秒激光脉冲照射在激光能量密度约烧蚀阈值，在那里我们已经观察到的周期性纳米结构的形成在膜表面和键结构的修改从DLC玻璃碳在我们最近的实验。实验结果表明，反射率的变化与引起结构变化的基本物理过程密切相关，是监测实验条件变化的可靠手段。
We report characteristic changes in reflectivity of diamond-like-carbon (DLC) films following irradiation of femtosecond laser pulses at laser fluence around the ablation threshold, where we have observed the formation of periodic nanostructure on the film surface and the modification of bonding structure from DLC to glassy carbon in our recent experiments. The experimental results have shown that the reflectivity change should be a reliable measure to monitor the experimental condition to produce the structural changes, being closely associated with the fundamental physical process to induce these phenomena.