Spatial filter lens design for the main laser of the National Ignition Facility

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The National Ignition Facility 0, being designed and constructed at Lawrence Livermore National Laboratory (LLNL), comprises 192 laser beams. The lasing medium is neodymium in phosphate glass with a fundamental frequency (Ice) of 1.053~. Sum frequency generation in a pair of conversion crystals (KDP/KD*P) will produce 1.8 megajoules of the third harmonic light (30 or bO.351~) at the target. The purpose of this paper is to provide the lens design community with the current lens design details of the large powered optics in the Main Laser. This paper describes the lens design configuration and design considerations of the Main Laser. ... continued below

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English, R E; Korniski, R J & Miller, J L June 26, 1998.

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Description

The National Ignition Facility 0, being designed and constructed at Lawrence Livermore National Laboratory (LLNL), comprises 192 laser beams. The lasing medium is neodymium in phosphate glass with a fundamental frequency (Ice) of 1.053~. Sum frequency generation in a pair of conversion crystals (KDP/KD*P) will produce 1.8 megajoules of the third harmonic light (30 or bO.351~) at the target. The purpose of this paper is to provide the lens design community with the current lens design details of the large powered optics in the Main Laser. This paper describes the lens design configuration and design considerations of the Main Laser. The Main Laser is 123 meters long and includes two spatial tllters: one 23.5 meters and one 60 meters. These spatial filters perform crucial beam filtering and relaying functions. We shall describe the significant lens design aspects of these spatial tilter lenses which allow them to successfully deliver the appropriate beam characteristic onto the target. For a broad overview of NIF. please see, �Optical system design of the National Ignition Facility,� by R. Edward English, et al, also found in this volume.

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1.7 Megabytes

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  • Optical Society of America 1998 Summer Topical Meetings, Kailuia-Kona, HI, June 8-12, 1998

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  • Other: DE00003015
  • Report No.: UCRL-JC-129759--REV-1
  • Grant Number: W-7405-Eng-48
  • Office of Scientific & Technical Information Report Number: 3015
  • Archival Resource Key: ark:/67531/metadc677718

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • June 26, 1998

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  • July 25, 2015, 2:20 a.m.

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  • May 6, 2016, 11:32 p.m.

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English, R E; Korniski, R J & Miller, J L. Spatial filter lens design for the main laser of the National Ignition Facility, article, June 26, 1998; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc677718/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.