Optics for the National Ignition Facility

L. Jeffrey Atherton

doi:10.1117/12.354734

19 July 1999 Optics for the National Ignition Facility

L. Jeffrey Atherton

Proceedings Volume 3749, 18th Congress of the International Commission for Optics; (1999) https://doi.org/10.1117/12.354734
Event: ICO XVIII 18th Congress of the International Commission for Optics, 1999, San Francisco, CA, United States

Abstract

The National Ignition Facility (NIF) is a 192 beam, 1.8 megajoule laser currently under construction at LLNL. The laser requires approximately 7,500 meter class optical components including 3,000 phosphate laser glass slabs, 2,500 fused silica lenses and windows, 1,400 BK-7 mirror and polarizer substrates with hafnia/silica multilayer coatings, and 600 KDP and deuterated KDP (DKDP) nonlinear crystals, each component with a 40 cm square aperture. These optics will be produced between 2000 and 2003 following pilot production campaigns to prove the technologies in 1999. The specifications of these large optics are challenging, with a typical wavefront gradient of Xi90/cm RMS,and damage thresholds of 14 J/cm2 (351 nm) and 20 J/cm2 (1053 nm) for 3 ns pulses. The cost goals for producing each of these optics vary, but on average are approximately three-times lower than we paid for Beamlet and Nova optics.

Citation Download Citation

L. Jeffrey Atherton "Optics for the National Ignition Facility", Proc. SPIE 3749, 18th Congress of the International Commission for Optics, (19 July 1999); https://doi.org/10.1117/12.354734

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