Laser damage metrology with small and large beams on a unique testbed

Laurent Lamaignère; Charles Bouyer; Matthieu Veinhard; Romain Parreault; Jean-Yves Natoli

doi:10.1117/12.2598918

19 November 2021 Laser damage metrology with small and large beams on a unique testbed

Laurent Lamaignère, Charles Bouyer, Matthieu Veinhard, Romain Parreault, Jean-Yves Natoli

Proceedings Volume 11910, Laser-Induced Damage in Optical Materials 2021; 119101E (2021) https://doi.org/10.1117/12.2598918
Event: SPIE Laser Damage, 2021, Online Only

Conference Poster

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.

Citation Download Citation

Laurent Lamaignère, Charles Bouyer, Matthieu Veinhard, Romain Parreault, and Jean-Yves Natoli "Laser damage metrology with small and large beams on a unique testbed", Proc. SPIE 11910, Laser-Induced Damage in Optical Materials 2021, 119101E (19 November 2021); https://doi.org/10.1117/12.2598918

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