Creation of Light-Trapping Microstructures on the Surface of Metals under the Influence of Nanosecond Laser Pulses

Light-trapping micro- and nanostructures generated on various material surfaces have garnered significant interest in recent years due to their pivotal role in various scientific and technological applications. Direct laser writing has emerged as a prominent, versatile, and practical method for fabr...

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Bibliographic Details
Published in:Bulletin of the Russian Academy of Sciences. Physics 2023-12, Vol.87 (Suppl 1), p.S116-S121
Main Authors: Kovalev, M. S., Podlesnykh, I. M., Krasin, G. K., Dunaev, A. Yu, Kudryashov, S. I.
Format: Article
Language:English
Subjects:
Direct laser writing
Hadrons
Heavy Ions
Infrared absorption
Nanosecond pulses
Nuclear Physics
Physics
Physics and Astronomy
Pulsed lasers
Texturing
Topology
Trapping
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Summary:Light-trapping micro- and nanostructures generated on various material surfaces have garnered significant interest in recent years due to their pivotal role in various scientific and technological applications. Direct laser writing has emerged as a prominent, versatile, and practical method for fabricating these structures. In this study, we employed nanosecond pulsed laser radiation to create light-trapping structures with diverse topologies. Through the texturing process, we achieved an average total reflectance of 13.6–16.9% across a wide wavelength range (250–2500 nm) on the surface of aluminum samples. Furthermore, we demonstrate the ability to modulate the infrared absorption of material surfaces by controlling the height of the resulting structures, which holds substantial importance for technological applications.
ISSN:1062-8738
1934-9432
DOI:10.3103/S106287382370449X