Band-resolved relaxation of laser-excited gold

Tobias Held; Sebastian T. Weber; Dirk O. Gericke; Baerbel Rethfeld

doi:10.1117/12.3012546

11 April 2024 Band-resolved relaxation of laser-excited gold

Tobias Held, Sebastian T. Weber, Dirk O. Gericke, Baerbel Rethfeld

Proceedings Volume PC12939, High-Power Laser Ablation VIII; PC129391A (2024) https://doi.org/10.1117/12.3012546
Event: SPIE High-Power Laser Ablation, 2024, Santa Fe, New Mexico, United States

Abstract

Electron-phonon coupling plays a central role in describing the energy relaxation dynamics of solids excited by ultrafast laser pulses. It depends on electronic and phononic properties in different ways for different metals. In many calculations of the electron-phonon coupling parameter, the phonons are assigned a secondary role. In this work, we study the influence of the maximum phonon energy on the electron-phonon coupling parameter within the framework of the Debye model. We find a large increase of the coupling parameter with the Debye energy for all considered metals.

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(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Tobias Held, Sebastian T. Weber, Dirk O. Gericke, and Baerbel Rethfeld "Band-resolved relaxation of laser-excited gold ", Proc. SPIE PC12939, High-Power Laser Ablation VIII, PC129391A (11 April 2024); https://doi.org/10.1117/12.3012546

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KEYWORDS

Metals

Scattering

Laser irradiation

Phonons

Plasma

Reflection

Visible radiation

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