What question did this study set out to answer?

The study aims to develop a modeling framework to describe the nonlinear interaction of ultrafast laser pulses with fused silica.

July 29, 2026Scientific ReportsOpen Access

Modeling ultrafast laser excitation of fused silica with a hybrid Lorentz–Drude dielectric response and density-dependent two-temperature model

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Authors

DMDaniel MetznerHochschule Mittweida PRPhilipp RebentrostHochschule Mittweida MPManuel PfeifferHochschule Mittweida

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Implication

Modeling framework investigates energy transfer and optical response in fused silica under ultrafast laser excitation, suggesting new insights into material behavior.

Key Points

The study aims to develop a modeling framework to describe the nonlinear interaction of ultrafast laser pulses with fused silica.
Developed a hybrid Lorentz–Drude model for optical properties.
Used a density-dependent two-temperature model for thermal evolution.
Evaluated the model against experimental ablation geometries and thresholds over femtosecond and picosecond ranges.
Model adequately reproduced ablation depth and diameter within limited deviations in the femtosecond regime.
In the picosecond regime, ablation depth aligns with experimental results, but lateral extent shows deviations.
Longer pulse durations lead to failures in capturing melt-mediated material redistribution effects.

Cite This Study

Metzner et al. (2026) studied this question.

synapsesocial.com/papers/6a69a2aec8da07d9defa65e9 https://doi.org/10.1038/s41598-026-63133-7

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Implication

Modeling framework investigates energy transfer and optical response in fused silica under ultrafast laser excitation, suggesting new insights into material behavior.

Modeling ultrafast laser excitation of fused silica with a hybrid Lorentz–Drude dielectric response and density-dependent two-temperature model

Discussion

Member takes

Implication

Key Points

Cite This Study

Modeling ultrafast laser excitation of fused silica with a hybrid Lorentz–Drude dielectric response and density-dependent two-temperature model

Discussion

Member takes

Implication

Key Points

Cite This Study

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