The Failure of High Power Optics due to Dirt and Airborne Particles

Joseph Talghader; Andrew Brown; Tirtha Mitra

doi:10.1364/ASSL.2019.AW3A.1

Laser Congress 2019 (ASSL, LAC, LS&C)
OSA Technical Digest (Optica Publishing Group, 2019),
paper AW3A.1
•https://doi.org/10.1364/ASSL.2019.AW3A.1

The Failure of High Power Optics due to Dirt and Airborne Particles

Joseph Talghader, Andrew Brown, and Tirtha Mitra

Advanced Solid State Lasers 2019

Vienna Austria
29 September–3 October 2019
ISBN: 978-1-943580-68-2

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High Power Optics (AW3A)

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J. Talghader, A. Brown, and T. Mitra, "The Failure of High Power Optics due to Dirt and Airborne Particles," in Laser Congress 2019 (ASSL, LAC, LS&C), OSA Technical Digest (Optica Publishing Group, 2019), paper AW3A.1.

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Abstract

Materials with high bandgaps are resistant to particle-induced breakdown under CW illumination because evaporating contaminants then generate fewer free carriers near the surface. Laser-accelerated atmospheric particles induce failure even more strongly than fixed surface particles.

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