Increasing the laser induced damage resistance of ultraviolet antireflective coatings by mitigation of damage precursors

Thimotheus Alig; Nils Bartels; Paul Allenspacher; Istvan Balasa; Tammo Böntgen; Detlev Ristau; Lars Jensen

doi:10.1364/ASSL.2020.AW1A.6

Laser Congress 2020 (ASSL, LAC)
OSA Technical Digest (Optica Publishing Group, 2020),
paper AW1A.6
•https://doi.org/10.1364/ASSL.2020.AW1A.6

Increasing the laser induced damage resistance of ultraviolet antireflective coatings by mitigation of damage precursors

Thimotheus Alig, Nils Bartels, Paul Allenspacher, Istvan Balasa, Tammo Böntgen, Detlev Ristau, and Lars Jensen

Advanced Solid State Lasers 2020

Washington, D.C. United States
13–16 October 2020
ISBN: 978-1-943580-84-2

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Ceramic Materials, Glasses, Lasers (AW1A)

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T. Alig, N. Bartels, P. Allenspacher, I. Balasa, T. Böntgen, D. Ristau, and L. Jensen, "Increasing the laser induced damage resistance of ultraviolet antireflective coatings by mitigation of damage precursors," in Laser Congress 2020 (ASSL, LAC), P. Schunemann, C. Saraceno, S. Mirov, S. Taccheo, J. Nilsson, A. Petersen, D. Mordaunt, and J. Trbola, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper AW1A.6.

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Abstract

We demonstrate the mitigation of nano-sized damage precursors during the manufacturing of IBS-coatings using bombardment with a secondary ion source and laser conditioning with a nanosecond-pulsed laser. Optical coatings show a significantly increased damage threshold.

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