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Ernesto Gribaudo

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Publications associées (4)

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High-speed femtosecond UV laser writing of low-loss waveguides in fused silica

Daniel Talán Echarri, Yves Bellouard, Ernesto Gribaudo, Lisa Jutta Ackermann, Benedikt Hermann

We demonstrate ultra-low-loss femtosecond laser-written waveguides in fused silica using 450 fs ultraviolet pulses from a frequency-tripled ytterbium laser. This favorable regime only appears at a low pulse density, enabling a two orders of magnitude faste ...

Optica Publishing Group2025

Sub-wavelength femtosecond laser based nanostructuring of complex patterns in the bulk of fused silica

Manuel Deckart, Yves Bellouard, Pieter Vlugter, Ernesto Gribaudo

Laser-inscribing arbitrary patterns with a sub-wavelength resolution in the bulk of transparent materials is of great importance for enabling reliable and versatile nano-manufacturing. Here, we propose a seeding-writing near-field enhancement based method ...

Optica Publishing Group2025

Self-organised UV Femtosecond Laser Induced Modifications in the Bulk of Fused Silica

Yves Bellouard, Ernesto Gribaudo

By focusing a femtosecond laser beam in the bulk of a transparent material one can locally change the physical properties of the material itself. The interaction between NIR pulses and fused silica has been extensively studied in the past, showing how vari ...

IEEE2025

Femtosecond Laser Based Nanostructuring in the Bulk of Fused Silica

Yves Bellouard, Pieter Vlugter, Ernesto Gribaudo

We develop a femtosecond laser based fabrication technique which exploits near-field enhancement to generate selectively etchable arbitrarily long nanoplanes in the bulk of fused silica. The nanoplanes volumetric morphology and formation mechanism are inve ...

Institute of Electrical and Electronics Engineers Inc.2024