Damage probability versus damage density: analysis from tests using small beams versus large beams

Laurent Lamaignère; Matthieu Veinhard; Florian Tournemenne; Charles Bouyer; Romain Parreault; Roger Courchinoux; Jean-Yves Natoli; Claude Rouyer; Stéphane Bouillet

doi:10.1117/12.2571834

7 October 2020 Damage probability versus damage density: analysis from tests using small beams versus large beams

Laurent Lamaignère, Matthieu Veinhard, Florian Tournemenne, Charles Bouyer, Romain Parreault, Roger Courchinoux, Jean-Yves Natoli, Claude Rouyer, Stéphane Bouillet

Author Affiliations +

Proceedings Volume 11514, Laser-induced Damage in Optical Materials 2020; 115140E (2020) https://doi.org/10.1117/12.2571834
Event: SPIE Laser Damage, 2020, Online Only

Abstract

The paper aims to compare the results obtained with the same laser source with a large beam and with small beams. These latest were shaped from phase objects implemented to obtain several small beams from a single larger beam. The consistency of the results from both sets of measurements is shown. It validates the assumptions made and the specific mathematical treatments implemented to establish the link between the two approaches. It also validates and strengthens the approach developed from the rasterscan procedure used to measure damage densities from the scanning with beams of small dimensions. This shows that small beam tests are reasonably representative of tests carried out with large beams.

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Laurent Lamaignère, Matthieu Veinhard, Florian Tournemenne, Charles Bouyer, Romain Parreault, Roger Courchinoux, Jean-Yves Natoli, Claude Rouyer, and Stéphane Bouillet "Damage probability versus damage density: analysis from tests using small beams versus large beams", Proc. SPIE 11514, Laser-induced Damage in Optical Materials 2020, 115140E (7 October 2020); https://doi.org/10.1117/12.2571834

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