Solid state laser driver for an ICF reactor

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A conceptual design is presented of the main power amplifier of a multi-beamline, multi-megawatt solid state ICF reactor driver. Simultaneous achievement of useful beam quality and high average power is achieved by a proper choice of amplifier geometry. An amplifier beamline consists of a sequence of face-pumped rectangular slab gain elements, oriented at the Brewster angle relative to the beamline axis, and cooled on their large faces by helium gas that is flowing subsonically. The infrared amplifier output radiation is shifted to an appropriately short wavelength (<500 nm) using nonlinear crystals that are also gas cooled. We project an overall ... continued below

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Pages: 9

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Krupke, W.F. January 1, 1988.

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Description

A conceptual design is presented of the main power amplifier of a multi-beamline, multi-megawatt solid state ICF reactor driver. Simultaneous achievement of useful beam quality and high average power is achieved by a proper choice of amplifier geometry. An amplifier beamline consists of a sequence of face-pumped rectangular slab gain elements, oriented at the Brewster angle relative to the beamline axis, and cooled on their large faces by helium gas that is flowing subsonically. The infrared amplifier output radiation is shifted to an appropriately short wavelength (<500 nm) using nonlinear crystals that are also gas cooled. We project an overall driver efficiency >10% (including all flow cooling input power) when the amplifiers are pumped by efficient high-power AlGaAs semiconductor laser diode arrays. 11 refs., 3 figs., 7 tabs.

Physical Description

Pages: 9

Notes

NTIS, PC A02/MF A01 - OSTI; 1.

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  • 8. topical meeting on technology of fusion energy, Salt Lake City, UT, USA, 9 Oct 1988

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  • Other: DE89009959
  • Report No.: UCRL-98635
  • Report No.: CONF-881031-68
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 6138949
  • Archival Resource Key: ark:/67531/metadc1114515

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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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  • January 1, 1988

Added to The UNT Digital Library

  • Feb. 22, 2018, 7:45 p.m.

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  • April 27, 2018, 2:10 p.m.

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Krupke, W.F. Solid state laser driver for an ICF reactor, article, January 1, 1988; [Livermore,] California. (digital.library.unt.edu/ark:/67531/metadc1114515/: accessed May 27, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.