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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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Maier, Rrj
Heriot-Watt University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (24/24 displayed)
- 2021Enhanced fiber mounting and etching technique for optimized optical power transmission at critical cladding thickness for fiber-sensing applicationcitations
- 2020Dynamics rate of fiber chemical etchingcitations
- 2018Laser-based fabrication of microfluidic devices for porous media applicationscitations
- 2018Rapid Laser Manufacturing of Microfluidic Devices from Glass Substratescitations
- 2017Fabrication of three-dimensional micro-structures in glass by picosecond laser micro-machining and welding
- 2017An open-architecture metal powder bed fusion system for in-situ process measurementscitations
- 2017Integrating fiber Fabry-Perot cavity sensor into 3-D printed metal components for extreme high-temperature monitoring applicationscitations
- 2016Laser polishing - Enhancing surface quality of additively manufactured cobalt chrome and titanium components
- 2016Embedding fibre optical sensors into SLM parts
- 2016Stainless steel component with compressed fiber Bragg grating for high temperature sensing applicationscitations
- 2015Measuring residual stresses in metallic components manufactured with fibre bragg gratings embedded by selective laser meltingcitations
- 2015SS316 structure fabricated by selective laser melting and integrated with strain isolated optical fiber high temperature sensorcitations
- 2015In-situ strain sensing with fiber optic sensors embedded into stainless steel 316citations
- 2014In-situ measurements with fibre bragg gratings embedded in stainless steelcitations
- 2013Flexible delivery of Er:YAG radiation at 2.94 µm with negative curvature silica glass fiberscitations
- 2013Embedding optical fibers into stainless steel using laser additive manufacturing
- 2013Embedded fibre optic sensors within additive layer manufactured componentscitations
- 2013Embedding metallic jacketed fused silica fibres into stainless steel using additive layer manufacturing technologycitations
- 2012Laser precision surface sculpting of 2D diffractive optical structures on metals
- 2012Modelling of Long Period Gratings with Metallic (Pd) Jacket
- 2011Micro-sculpting of diffractive scales on metal surfaces for optical position encoders, the 'YAGboss' process
- 2009All Fibre based Hydrogen Sensing using Palladium coated Long Period Gratings
- 2005Single-mode mid-IR guidance in a hollow-core photonic crystal fibercitations
- 2004Temperature dependence of the stress response of fibre Bragg gratingscitations
Places of action
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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>