| People | Locations | Statistics |
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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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Gečys, Paulius
Center for Physical Sciences and Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2023Femtosecond Laser Cutting of 110–550 µm Thickness Borosilicate Glass in Ambient Air and Watercitations
- 2022Quality and flexural strength of laser-cut glass: classical top-down ablation versus water-assisted and bottom-up machiningcitations
- 2022Efficient Water-Assisted Glass Cutting with 355 nm Picosecond Laser Pulsescitations
- 2022Transversal and axial modulation of axicon-generated Bessel beams using amplitude and phase masks for glass processing applicationscitations
- 2021Chemical etching of fused silica after modification with two-pulse bursts of femtosecond lasercitations
- 2020In-depth comparison of conventional glass cutting technologies with laser-based methods by volumetric scribing using Bessel beam and rear-side machiningcitations
Places of action
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article
Transversal and axial modulation of axicon-generated Bessel beams using amplitude and phase masks for glass processing applications
Abstract
<jats:p>The control of laser-induced microcracks in the volume of transparent materials is essential for scribing processes. In this paper, we investigate the effect of various amplitude and single-level phase masks on both transverse and axial intensity distribution of the conventional axicon-generated Bessel beams. Furthermore, we demonstrate the volumetric crack control induced by an asymmetrical central core with an appropriately selected intensity level to avoid the influence of peripheral intensity maxima. Proper alignment of cracks and intra-distance between the modifications results in the reduced separation stress of the scribed samples. Furthermore, the additional amplitude modulation of the incident Gaussian beam is introduced to flatten the axial intensity distribution of the axicon-generated Bessel beam.</jats:p>