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Authors: Nicolas Sanner ; Maxime Lebugle ; Nadezda Varkentina ; Marc Sentis and Olivier Utéza

Affiliation: Aix-Marseille Univ., CNRS and LP3 UMR 7341, France

Keyword(s): Ultrashort Laser-matter Interaction, Dielectric Materials, Ablation.

Abstract: We investigate the ultrafast absorption of fused silica irradiated by a single 500 fs laser pulse in the context of micromachining applications. As the absorption of the laser energy is rapid (~fs), the optical properties of the material evolve during the laser pulse, thereby yielding a feedback on the dynamics of absorption and consequently on the amount of energy that is absorbed. Through complete investigation of energy absorption, by combining “pump depletion” and “pump-probe” experiments in a wide range of incident fluences above the ablation threshold, we demonstrate the existence of an optimal fluence range, enabling to turn transiently the material into a state such that each photon is optimally utilized for ablation.

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Paper citation in several formats:
Sanner, N.; Lebugle, M.; Varkentina, N.; Sentis, M. and Utéza, O. (2016). Optimizing Energy Absorption for Ultrashort Pulse Laser Ablation of Fused Silica. In Proceedings of the 4th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS; ISBN 978-989-758-174-8; ISSN 2184-4364, SciTePress, pages 69-73. DOI: 10.5220/0005685300690073

@conference{photoptics16,
author={Nicolas Sanner. and Maxime Lebugle. and Nadezda Varkentina. and Marc Sentis. and Olivier Utéza.},
title={Optimizing Energy Absorption for Ultrashort Pulse Laser Ablation of Fused Silica},
booktitle={Proceedings of the 4th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS},
year={2016},
pages={69-73},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005685300690073},
isbn={978-989-758-174-8},
issn={2184-4364},
}

TY - CONF

JO - Proceedings of the 4th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS
TI - Optimizing Energy Absorption for Ultrashort Pulse Laser Ablation of Fused Silica
SN - 978-989-758-174-8
IS - 2184-4364
AU - Sanner, N.
AU - Lebugle, M.
AU - Varkentina, N.
AU - Sentis, M.
AU - Utéza, O.
PY - 2016
SP - 69
EP - 73
DO - 10.5220/0005685300690073
PB - SciTePress

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