Search Results - "RÖMER, G"

Model based optimization of process parameters to produce large homogeneous areas of laser-induced periodic surface structures by Mezera, M, Römer, G R B E

“…A model is presented, which allows to predict the (in)homogeneity of large areas covered with Laser-induced Periodic Surface Structures (LIPSS), based on the…”
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Laser-Induced Nanoscale Superhydrophobic Structures on Metal Surfaces by Jagdheesh, R, Pathiraj, B, Karatay, E, Römer, G. R. B. E, Huis in‘t Veld, A. J

“…The combination of a dual-scale (nano and micro) roughness with an inherent low-surface energy coating material is an essential factor for the development of…”
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Identifying the influence of bubble size and position on crater formation during underwater nanosecond laser ablation of stainless steel by van der Linden, S., Hagmeijer, R., Römer, G. R. B. E.

“…Underwater laser ablation can be employed both as a means to produce nanoparticles and to texturize surfaces of various materials. In this approach, a…”
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Wavelength dependence of picosecond-pulsed laser ablation of hot-dip galvanized steel by Mustafa, H., Matthews, D. T. A., Römer, G. R. B. E.

“…Laser ablation of galvanized steel at a wavelength of 343, 515 and 1030 nm was compared for single as well as multiple picosecond laser pulses. The…”
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Pico- to nanosecond pulsed laser-induced forward transfer (LIFT) of silver nanoparticle inks: a comparative study by Mikšys, J., Arutinov, G., Römer, G. R. B. E.

“…Silver nanoparticle inks are among the key functional materials used in printed electronics. Depositing it by laser-induced forward transfer remains a…”
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Picosecond pulsed underwater laser ablation of silicon and stainless steel: Comparing crater analysis methods and analysing dependence of crater characteristics on water layer thickness by van der Linden, S., Hagmeijer, R., Römer, G.R.B.E.

“…[Display omitted] •Crater data is objectively defined based on characteristics of unablated material.•Results show two distinct ablation regimes different for…”
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Two-photon-induced internal modification of silicon by erbium-doped fiber laser by Verburg, P C, Römer, G R B E, Huis In 't Veld, A J

“…Three-dimensional bulk modification of dielectric materials by multiphoton absorption of laser pulses is a well-established technology. The use of multiphoton…”
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Influence of water layer thickness on crater volume for nanosecond pulsed laser ablation of stainless steel by van der Linden, S., Hagmeijer, R., Römer, G. R. B. E.

“…Under water laser ablation is a surface texturization method used to form micrometer-sized surface structures. Plasma confinement and cavitation bubble…”
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Effect of surface roughness on the ultrashort pulsed laser ablation fluence threshold of zinc and steel by Mustafa, H., Mezera, M., Matthews, D.T.A., Römer, G.R.B.E.

“…The single and multiple pulse laser ablation threshold of zinc and steel at picosecond laser pulse duration is studied as a function of initial surface…”
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Morphology of single picosecond pulse subsurface laser-induced modifications of sapphire and subsequent selective etching by Capuano, L, Pohl, R, Tiggelaar, R M, Berenschot, J W, Gardeniers, J G E, Römer, G R B E

“…The effect of 1030nm single picosecond pulsed laser-induced modification of the bulk of crystalline sapphire using a combined process of laser amorphization…”
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Picosecond-pulsed laser ablation of zinc: crater morphology and comparison of methods to determine ablation threshold by Mustafa, H, Pohl, R, Bor, T C, Pathiraj, B, Matthews, D T A, Römer, G R B E

“…Ablation of bulk polycrystalline zinc in air is performed with single and multiple picosecond laser pulses at a wavelength of 1030 nm. The relationships…”
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Crystal structure of laser-induced subsurface modifications in Si by Verburg, P. C., Smillie, L. A., Römer, G. R. B. E., Haberl, B., Bradby, J. E., Williams, J. S., Huis in ’t Veld, A. J.

“…Laser-induced subsurface modification of dielectric materials is a well-known technology. Applications include the production of optical components and…”
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Fabrication of millimeter-long structures in sapphire using femtosecond infrared laser pulses and selective etching by Capuano, L., Tiggelaar, R.M., Berenschot, J.W., Gardeniers, J.G.E., Römer, G.R.B.E.

“…•If sapphire is irradiated along the direction perpendicular to the polarization of the light, the irradiated lines do not show a smooth single amorphized…”
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Investigation of the ultrashort pulsed laser processing of zinc at 515 nm: Morphology, crystallography and ablation threshold by Mustafa, H., Matthews, D.T.A., Römer, G.R.B.E.

“…Bulk polycrystalline pure zinc is ablated in air using a picosecond laser source to perform single pulse and multi-pulse processing at a wavelength of 515 nm…”
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Pulse-analysis-pulse investigation of femtosecond laser-induced periodic surface structures on silicon in air by Oboňa, J Vincenc, Skolski, J Z P, Römer, G R B E, in t Veld, A J Huis

“…A new approach to experimentally investigate laser-induced periodic surface structures (LIPSSs) is introduced. Silicon was iteratively exposed to femtosecond…”
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The role of pulse repetition rate on picosecond pulsed laser processing of Zn and Zn-coated steel by Mustafa, H., Matthews, D.T.A., Römer, G.R.B.E.

“…•MRR is defined by pulse energy and number of pulses than average power.•MRR increases for heat accumulation and ablated depth decreases for particle…”
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Modification of Cu surface with picosecond laser pulses by VINCENC OBONA, J, OCELIK, V, RAO, J. C, SKOLSKI, J. Z. P, RÖMER, G. R. B. E, HUIS IN 'T VELD, A. J, DE HOSSON, J. Th. M

“…High purity, mirror-polished polycrystalline Cu surface was treated with single picosecond laser pulses at fluence levels close to the single-pulse…”
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Determination of irradiation parameters for laser-induced periodic surface structures by Eichstädt, J., Römer, G.R.B.E., Huis in ‘t Veld, A.J.

“…► We present an approach for the determination of irradiation parameters for laser-induced periodic surface structures. ► The approach is based on accumulated…”
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Solid-phase laser-induced forward transfer of variable shapes using a liquid-crystal spatial light modulator by Pohl, R., Jansink, M., Römer, G. R. B. E., Huis in ‘t Veld, A. J.

“…Laser-induced forward transfer is a promising method for 3D printing of various materials, including metals. The ejection mechanism is complex and depends…”
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High precision optical fiber alignment using tube laser bending by Folkersma, K. G. P., Römer, G. R. B. E., Brouwer, D. M., Herder, J. L.

“…In this paper, we present a method to align optical fibers within 0.2 μm of the optimal position, using tube laser bending and in situ measuring of the…”
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