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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Ardron, Marcus
in Cooperation with on an Cooperation-Score of 37%
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Publications (6/6 displayed)
- 2023Laser-Induced Forward Transfer of Ni-rich NiTi Alloys for Shape Memory Applicationscitations
- 2022Laser induced forward transfer of NiTi deposits for functionally graded SMA components
- 2017Anti-counterfeiting security markings for metal goods
- 2016Laser polishing - Enhancing surface quality of additively manufactured cobalt chrome and titanium components
- 2012Laser precision surface sculpting of 2D diffractive optical structures on metals
- 2011Micro-sculpting of diffractive scales on metal surfaces for optical position encoders, the 'YAGboss' process
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document
Laser precision surface sculpting of 2D diffractive optical structures on metals
Abstract
<p>A laser surface sculpting technique, which uses a commercial nanosecond UV laser at 355nm to drive a highly localised melting and melt flow process, is demonstrated for the production of reflective 2D diffractive optical structures on martensitic stainless steel and nickel samples. It is shown that this lasertexturing process can be used to generate 10×10μm<sup>2</sup> pixels with depths ranging from 150nm to 500nm. Either single or multiple pulses are used to generate each feature via hydrodynamic surface melt deformations, dependent on the dimensions of the features required, material properties, and the laser parameters. To demonstrate the viability of the process for the generation of 2D diffractive structures, it was used to create 2D matrices on mechanically polished stainless steel samples. The diffraction efficiency of these samples is measured and compared with a Fraunhofer diffraction model.</p>