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Title: Femtosecond laser-induced iridescent effect on AZ31B magnesium alloy surface
Authors: Guan, Ying Chun
Zhou, Wei
Li, Zhong Li
Zheng, Hong Yu
Keywords: Structural color
Periodic surface structures
Magnesium alloy
Femtosecond laser
Diffraction and gratings
Issue Date: 2013
Source: Guan, Y. C., Zhou, W., Li, Z. L., & Zheng, H. Y. (2013). Femtosecond laser-induced iridescent effect on AZ31B magnesium alloy surface. Journal of Physics D: Applied Physics, 46, 425305-.
Series/Report no.: Journal of Physics D: Applied Physics
Abstract: Both micro-ripples and nano-ripples were firstly reported at AZ31B magnesium alloy surface irradiated by femtosecond laser in atmospheric environment. Iridescent effect was also demonstrated over a large area of the irradiated surface induced by scanning laser beam. Results revealed that the colour effect was mainly attributed to the nano-ripples with broad distribution of periods acting as diffraction gratings, and intensity of the structural colour was greatly influenced by morphology evolution of the micro-ripples with laser processing. It was suggested that near-field interference between surface plasmons polaritons and incident laser light determined the formation of the nano-ripples, and initial surface roughness combing with such interference lead to the formation of the micro-ripples. Potential applications of such effect on Mg alloys and how to apply the technique to other materials with different properties was further proposed.
ISSN: 0022-3727
DOI: 10.1088/0022-3727/46/42/425305
Rights: © 2013 IOP Publishing Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by Journal of Physics D: Applied Physics, IOP Publishing Ltd. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles
SIMTech Journal Articles

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