Blackening of metal surfaces by femto-second laser ablation

Neha Singh; Dennis R. Alexander; John Schiffern

doi:10.1364/FIO.2004.JWA20

Frontiers in Optics 2004/Laser Science XXII/Diffractive Optics and Micro-Optics/Optical Fabrication and Testing
OSA Technical Digest Series (Optica Publishing Group, 2004),
paper JWA20
•https://doi.org/10.1364/FIO.2004.JWA20

Blackening of metal surfaces by femto-second laser ablation

Neha Singh, Dennis R. Alexander, and John Schiffern

Frontiers in Optics 2004

Rochester, New York United States
12–15 October 2004
ISBN: 1-55752-779-2

From the session
Joint FiO/LS Poster Session (JWA)

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N. Singh, D. R. Alexander, and J. Schiffern, "Blackening of metal surfaces by femto-second laser ablation," in Frontiers in Optics 2004/Laser Science XXII/Diffractive Optics and Micro-Optics/Optical Fabrication and Testing, OSA Technical Digest Series (Optica Publishing Group, 2004), paper JWA20.

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Abstract

Metal surfaces like aluminum and gold turn black in color upon high fluence femto-second laser ablation. The blackening of surface is due to surface roughness and formation of unique micro- and nano- sized surface structures. The surface has a very low reflectance in the UV-VIS and IR spectrum. Full-text article is not available.

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