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Proceedings Article

Status of NIF mirror technologies for completion of the NIF facility

[+] Author Affiliations
C. J. Stolz

Lawrence Livermore National Lab. (USA)

Proc. SPIE 7101, Advances in Optical Thin Films III, 710115 (September 25, 2008); doi:10.1117/12.797470
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From Conference Volume 7101

  • Advances in Optical Thin Films III
  • Norbert Kaiser; Michel Lequime; H. Angus Macleod
  • Glasgow, Scotland, United Kingdom | September 01, 2008

abstract

The 1600 mirrors required for the National Ignition Facility (NIF) are now coated with the last optics currently being installed. The combined surface area of the NIF mirrors is almost 450 square meters, roughly 3.4 times greater than the surface area of the two Keck primary mirrors. Additionally, the power handling specification of NIF mirrors is 19 orders of magnitude greater than that of the Keck mirrors. The NIF laser will be at least 40× greater energy than the previous LLNL fusion laser called NOVA. To manufacture these mirrors, a number of new technologies (electrolytic in-situ dressing, ion figuring, source stabilization) were used that were not available for previous fusion laser optics. Post deposition technologies designed to increase laser resistance (off-line laser conditioning, solarization, air knives) have also been utilized. This paper summarizes the differences in technologies used to manufacture NIF mirrors from those used for previous fusion lasers and examines potential future technologies that would enable higher fluence operations and extend lifetimes.

© (2008) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

C. J. Stolz
"Status of NIF mirror technologies for completion of the NIF facility", Proc. SPIE 7101, Advances in Optical Thin Films III, 710115 (September 25, 2008); doi:10.1117/12.797470; http://dx.doi.org/10.1117/12.797470


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