Optical damage considerations in the design of the matter in extreme condition upgrade (MEC-U) laser systems

Steven T. Yang; Michael R. Greenberg; Eric Cunningham; Mikael D. Martinez; Raluca A. Negres; Thomas M. Spinka; Stavros Demos; Amy Rigatti

doi:10.1117/12.2685218

24 November 2023 Optical damage considerations in the design of the matter in extreme condition upgrade (MEC-U) laser systems

Steven T. Yang, Michael R. Greenberg, Eric Cunningham, Mikael D. Martinez, Raluca A. Negres, Thomas M. Spinka, Stavros Demos, Amy Rigatti

Author Affiliations +

Proceedings Volume 12726, Laser-Induced Damage in Optical Materials 2023; 127260A (2023) https://doi.org/10.1117/12.2685218
Event: SPIE Laser Damage, 2023, Dublin/Livermore, California, United States

Abstract

The Matter in Extreme Conditions Upgrade (MEC-U) project is a major upgrade to the MEC instrument of the LINAC Coherent Light Source (LCLS) X-ray free electron laser (XFEL) user facility at SLAC National Accelerator Laboratory. The envisioned MEC upgrade will significantly enhance the capabilities of the pump laser sources in current MEC experimental station, boosting the energy of the nanosecond shock driver from 100 J to the kJ level, and increasing the power and repetition rate of the short pulse laser from 25 TW at 5 Hz to 1 PW at 10 Hz rate. Building such high energy/power pump laser systems presents challenges to minimize and mitigate against laser-induced optical damage. As part of the system design, we have identified the optics at high-risk to damage and we have designed the laser systems to mitigate against these damage risks to ensure sustained facility operation.

Conference Presentation

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Steven T. Yang, Michael R. Greenberg, Eric Cunningham, Mikael D. Martinez, Raluca A. Negres, Thomas M. Spinka, Stavros Demos, and Amy Rigatti "Optical damage considerations in the design of the matter in extreme condition upgrade (MEC-U) laser systems", Proc. SPIE 12726, Laser-Induced Damage in Optical Materials 2023, 127260A (24 November 2023); https://doi.org/10.1117/12.2685218

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