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Proceedings Paper

Determination of multi-pulse damage thresholds from crater size measurements
Author(s): Matthias Lenzner; Zhanliang Sun; Wolfgang Rudolph
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Paper Abstract

A well-known method for the determination of the threshold fluence for laser-induced damage (LIDT) and ablation with single laser pulses is the measurement of the ablated crater area as a function of incident fluence and extrapolation to zero crater area. In this paper, we introduce a general incubation model for a large class of materials, for example dielectric materials and metals, and we compare it to experimental data. We conclude that multi-pulse LIDT measurements can also be based on crater size measurements similar to 1-on-1 damage tests if the incubation does not involve coupling between spatial and temporal processes.

Paper Details

Date Published: 31 October 2014
PDF: 8 pages
Proc. SPIE 9237, Laser-Induced Damage in Optical Materials: 2014, 923714 (31 October 2014); doi: 10.1117/12.2070252
Show Author Affiliations
Matthias Lenzner, Lenzner Research LLC (United States)
Zhanliang Sun, The Univ. of New Mexico (United States)
Wolfgang Rudolph, The Univ. of New Mexico (United States)

Published in SPIE Proceedings Vol. 9237:
Laser-Induced Damage in Optical Materials: 2014
Gregory J. Exarhos; Vitaly E. Gruzdev; Joseph A. Menapace; Detlev Ristau; MJ Soileau; Detlev Ristau, Editor(s)

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