Engineering meter-scale laser resistant coatings for the near IR

Christopher J. Stolz; John Adams; Michael D. Shirk; Mary A. Norton; Timothy L. Weiland

doi:10.1117/12.625422

6 October 2005 Engineering meter-scale laser resistant coatings for the near IR

Christopher J. Stolz, John Adams, Michael D. Shirk, Mary A. Norton, Timothy L. Weiland

Proceedings Volume 5963, Advances in Optical Thin Films II; 59630Y (2005) https://doi.org/10.1117/12.625422
Event: Optical Systems Design 2005, 2005, Jena, Germany

Abstract

Laser resistant coatings are needed for beam steering (mirrors), pulse switching (polarizers), and high transport efficiency on environmental barriers (windows / lenses) on large laser systems. A range of defects limit the exposure fluence of these coatings. By understanding the origin and damage mechanisms for these defects, the deposition process can be optimized to realize coatings with greater laser resistance. Electric field modeling can provide insight into which defects are most problematic. Laser damage growth studies are useful for determining a functional laser damage criteria. Mitigation techniques such as micro-machining with a single-crystal diamond cutting tool or short pulse laser ablation using the burst technique can be used to arrest growth in damage sites to extend optic lifetime.

Citation Download Citation

Christopher J. Stolz, John Adams, Michael D. Shirk, Mary A. Norton, and Timothy L. Weiland "Engineering meter-scale laser resistant coatings for the near IR", Proc. SPIE 5963, Advances in Optical Thin Films II, 59630Y (6 October 2005); https://doi.org/10.1117/12.625422

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