Femtosecond laser fabrication of LIPSS-based waveplates on metallic surfaces

San-Blas, Alejandro; Martínez-Calderón, Miguel; Buencuerpo, Jerónimo; Sanchez‐Brea, Luis Miguel; Hoyo, Jesús del; Gómez-Aranzadi, M.; Rodríguez, Ainara; Olaizola, Santiago M.

doi:10.1016/j.apsusc.2020.146328

Cited by 36 publications

(18 citation statements)

References 46 publications

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“…In recent years, lots of research activities have been reported on LIPSS, which represent a versatile and practical way to functionalize the surface of metals [ 9 , 10 , 11 , 12 , 13 ], dielectrics [ 14 , 15 , 16 ] and semiconductors [ 17 , 18 , 19 ]. Current applications of LIPSS span from the control of surface wetting to the tailoring of surface colonization by bacterial biofilms, from the improvement of the tribological performance of nanostructured metal surfaces to the efficient water-oil separation in marine oil spills [ 20 ].…”

Section: Introductionmentioning

confidence: 99%

Femtosecond-Laser Nanostructuring of Black Diamond Films under Different Gas Environments

et al. 2020

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Irradiation of diamond with femtosecond (fs) laser pulses in ultra-high vacuum (UHV) conditions results in the formation of surface periodic nanostructures able to strongly interact with visible and infrared light. As a result, native transparent diamond turns into a completely different material, namely “black” diamond, with outstanding absorptance properties in the solar radiation wavelength range, which can be efficiently exploited in innovative solar energy converters. Of course, even if extremely effective, the use of UHV strongly complicates the fabrication process. In this work, in order to pave the way to an easier and more cost-effective manufacturing workflow of black diamond, we demonstrate that it is possible to ensure the same optical properties as those of UHV-fabricated films by performing an fs-laser nanostructuring at ambient conditions (i.e., room temperature and atmospheric pressure) under a constant He flow, as inferred from the combined use of scanning electron microscopy, Raman spectroscopy, and spectrophotometry analysis. Conversely, if the laser treatment is performed under a compressed air flow, or a N2 flow, the optical properties of black diamond films are not comparable to those of their UHV-fabricated counterparts.

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Section: Introductionmentioning

confidence: 99%

Femtosecond-Laser Nanostructuring of Black Diamond Films under Different Gas Environments

et al. 2020

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“…The femtosecond laser (FSL) offers the possibility to texture titanium at nanometric scales with controlled nanopatterns [ 15 , 21 ]. Particularly, periodic nanostructures such as laser-induced periodic surface structures (LIPSS) are formed during a complex interplay between incoming laser light and surface waves [ 22 ].…”

Section: Introductionmentioning

confidence: 99%

Polarization of Femtosecond Laser for Titanium Alloy Nanopatterning Influences Osteoblastic Differentiation

Maalouf

Khalil

Maïo³

et al. 2022

Nanomaterials

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Ultrashort pulse lasers have significant advantages over conventional continuous wave and long pulse lasers for the texturing of metallic surfaces, especially for nanoscale surface structure patterning. Furthermore, ultrafast laser beam polarization allows for the precise control of the spatial alignment of nanotextures imprinted on titanium-based implant surfaces. In this article, we report the biological effect of beam polarization on human mesenchymal stem cell differentiation. We created, on polished titanium-6aluminum-4vanadium (Ti-6Al-4V) plates, a laser-induced periodic surface structure (LIPSS) using linear or azimuthal polarization of infrared beams to generate linear or radial LIPSS, respectively. The main difference between the two surfaces was the microstructural anisotropy of the linear LIPSS and the isotropy of the radial LIPSS. At 7 d post seeding, cells on the radial LIPSS surface showed the highest extracellular fibronectin production. At 14 days, qRT-PCR showed on the same surface an increase in osteogenesis-related genes, such as alkaline phosphatase and osterix. At 21 d, mineralization clusters indicative of final osteoinduction were more abundant on the radial LIPSS. Taken together, we identified that creating more isotropic than linear surfaces enhances cell differentiation, resulting in an improved osseointegration. Thus, the fine tuning of ultrashort pulse lasers may be a promising new route for the functionalization of medical implants.

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“…Regarding the LIPSS formation, many publications have dealt with processing parameters aiming to optimize their shape to utilize these features on various materials for surface patterning applications, [23][24][25][26][27][28][29][30][31] even including polarization-dependent appearance. [32][33][34][35] For this purpose, incident laser pulses perpendicular to the sample surface are commonly used.…”

Section: Introductionmentioning

confidence: 99%

A Perspective to Control Laser-Induced Periodic Surface Structure Formation at Glancing-Incident Femtosecond Laser-Processed Surfaces

Jelinek

Pfeifenberger

Pippan

et al. 2021

JOM

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The favorable combination of high material removal rate and low influence on the material beneath the ultra-short pulsed laser-processed surface are of particular advantage for sample preparation. This is especially true at the micrometer scale or for the pre-preparation for a subsequent focused ion beam milling process. Specific surface features, the laser-induced periodic surface structures, are generated on femtosecond laser-irradiated surfaces in most cases, which pose an issue for surface-sensitive mechanical testing or microstructural investigations. This work strives for an approach to enhance the surface quality of glancing-incident laser-processed surfaces on the model material copper with two distinctly different grain sizes. A new generalized perspective is presented, in which optimized parameter selection serves to counteract the formation of the laser-induced periodic surface structures, enabling, for example, grain orientation mapping directly on femtosecond laser processed surfaces.

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Femtosecond laser fabrication of LIPSS-based waveplates on metallic surfaces

Cited by 36 publications

References 46 publications

Femtosecond-Laser Nanostructuring of Black Diamond Films under Different Gas Environments

Femtosecond-Laser Nanostructuring of Black Diamond Films under Different Gas Environments

Polarization of Femtosecond Laser for Titanium Alloy Nanopatterning Influences Osteoblastic Differentiation

A Perspective to Control Laser-Induced Periodic Surface Structure Formation at Glancing-Incident Femtosecond Laser-Processed Surfaces

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