Path towards robust coatings for ELI Beamlines

Daniel Kramer

doi:10.1117/12.2644470

2 December 2022 Path towards robust coatings for ELI Beamlines

Daniel Kramer

Proceedings Volume PC12300, Laser-Induced Damage in Optical Materials 2022; PC123000Q (2022) https://doi.org/10.1117/12.2644470
Event: SPIE Laser Damage, 2022, Rochester, New York, United States

Abstract

ELI stands for Extreme Light Infrastructure so it is expected to pose challenges to optical coatings by definition. Combination of high energies and high repetition rates requires very large apertures and high LIDT. Considerable number of ultrafast coating samples was tested over the years in our high vacuum LIDT platform. Similar effort was attributed to contamination control mainly for 1kHz ALLEGRA laser. LIDT studies concentrated on beam transport mirror for HAPLS Ti:Sapphire 10Hz/PW laser, mirrors for the ATON Nd:glass laser and advanced low line density MLD diffraction gratings for 10PW class operation at 1060nm. Concept of the ELIAS coating platform capable of handling up to 1.2m substrates will be presented as well.

Conference Presentation

Citation Download Citation

Daniel Kramer "Path towards robust coatings for ELI Beamlines", Proc. SPIE PC12300, Laser-Induced Damage in Optical Materials 2022, PC123000Q (2 December 2022); https://doi.org/10.1117/12.2644470

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