Abstract
In this paper, we find, for the first time, that optical absorptance of metals can be significantly enhanced by a new type of surface structures following femtosecond laser ablation, namely nanostructure-covered periodic surface structures. Especially, the effect of the nanostructure-covered periodic structures on optical absorptance of metals has a clear polarization dependence that suggests a more controllable way to modify material optical properties with femtosecond laser processing.
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81.40.Wx; 78.20.Ci; 81.07.-b; 61.80.-x
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Vorobyev, A., Guo, C. Effects of nanostructure-covered femtosecond laser-induced periodic surface structures on optical absorptance of metals. Appl. Phys. A 86, 321–324 (2007). https://doi.org/10.1007/s00339-006-3800-0
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DOI: https://doi.org/10.1007/s00339-006-3800-0