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Femtosecond laser ablation from dielectric materials: Comparison to arc discharge erosion

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Abstract.

After explosive ablation from sapphire crystals by linearly polarised laser pulses, regular structures are observed on the bottom of the ablation pit. These structures do not comply with conventional ripple patterns. Instead, they more nearly resemble wickerwork, aligned perpendicular to the laser beam polarisation. A similar morphology is obtained by arc discharge erosion at AgCdO electrodes, suggesting that an explosive laser ablation may be characterised by high electric field effects and self organisation in the ablation craters.

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Authors and Affiliations

  1. LS Experimentalphysik II, Brandenburgische Technische Universität Cottbus, Universitätsplatz 3-4, 03044 Cottbus, Germany, , , , , , DE

    M. Henyk, D. Wolfframm & J. Reif

  2. LS für Optische Spektroskopie und Molekülphysik, Institut für Physik, Technische Universität Chemnitz, Reichenhainer Str. 70, 09107, Germany, , , , , , DE

    N. Vogel

  3. Fachbereich Elektrotechnik, Fachhochschule Lausitz, Grossenhainer Str. 57, 01968 Senftenberg, Germany, , , , , , DE

    A. Tempel

Authors
  1. M. Henyk
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  2. N. Vogel
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  3. D. Wolfframm
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  4. A. Tempel
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  5. J. Reif
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Additional information

Received: 21 July 1999 / Accepted: 11 October 1999 / Published online: 28 December 1999

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Henyk, M., Vogel, N., Wolfframm, D. et al. Femtosecond laser ablation from dielectric materials: Comparison to arc discharge erosion . Appl Phys A 69 (Suppl 1), S355–S358 (1999). https://doi.org/10.1007/s003390051416

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  • DOI: https://doi.org/10.1007/s003390051416

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