ArticleScientific reports2017
In-situ high-resolution visualization of laser-induced periodic nanostructures driven by optical feedback.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Scatterometry-Based Monitoring of Laser-Induced Periodic Surface Structures on Stainless Steel.Sensors (Basel, Switzerland) · 2025Article
- Nondestructive inspection of surface nanostructuring using label-free optical super-resolution imaging.Scientific reports · 2023Article
- Heating influence on hierarchical structures fabricated by direct laser interference patterning.Scientific reports · 2022Article
- Initial Morphology and Feedback Effects on Laser-Induced Periodic Nanostructuring of Thin-Film Metallic Glasses.Nanomaterials (Basel, Switzerland) · 2021Article
- The Role of the Laser-Induced Oxide Layer in the Formation of Laser-Induced Periodic Surface Structures.Nanomaterials (Basel, Switzerland) · 2020Article
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Authors and funding
5 authors.
Funding
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Abstract
Optical feedback is often evoked in laser-induced periodic nanostructures. Visualizing the coupling between surfaces and light requires highly-resolved imaging methods. We propose in-situ structured-illumination-microscopy to observe ultrafast-laser-induced nanostructures during fabrication on metallic glass surfaces. This resolves the pulse-to-pulse development of periodic structures on a single irradiation site and indicates the optical feedback on surface topographies. Firstly, the quasi-constancy of the ripples pattern and the reinforcement of the surface relief with the same spatial positioning indicates a phase-locking mechanism that stabilizes and amplifies the ordered corrugation. Secondly, on sites with uncorrelated initial corrugation, we observe ripple patterns spatially in-phase. These feedback aspects rely on the electromagnetic interplay between the laser pulse and the surface relief, stabilizing the pattern in period and position. They are critically dependent on the space-time coherence of the exciting pulse. This suggests a modulation of energy according to the topography of the surface with a pattern phase imposed by the driving pulse. A scattering and interference model for ripple formation on surfaces supports the experimental observations. This relies on self-phase-stabilized far-field interaction between surface scattered wavelets and the incoming pulse front.
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Registered trials
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