Journal
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
Volume 118, Issue 4, Pages 1189-1196Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00339-014-8868-3
Keywords
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Funding
- National Science Foundation of China [51275502, 11204250, 51405464, 91223203]
- Anhui Provincial Natural Science Foundation [1408085ME104]
- National Basic Research Program of China [2011CB302100]
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The femtosecond laser color marking stainless steel surfaces with different incident wavelengths were investigated theoretically and experimentally. It indicates that the spectral regions of the colors firstly increase and then reduce with increasing spatial periods of the ripples induced by laser irradiation. Additionally, the colors are gradually changed from blue to red due to the elongation of the diffracted light wavelengths. As a result, the color effects are distinctly different. This study offers a new controllable parameter to produce diverse colors, which may find a wide range of applications in the laser color marking, art designing and so on.
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