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The Dynamic Compression Sector laser: A 100-J UV laser for dynamic compression research.
Broege, D; Fochs, S; Brent, G; Bromage, J; Dorrer, C; Earley, R F; Guardalben, M J; Marozas, J A; Roides, R G; Sethian, J; Wang, X; Weiner, D; Zweiback, J; Zuegel, J D.
Affiliation
  • Broege D; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623-1299, USA.
  • Fochs S; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623-1299, USA.
  • Brent G; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623-1299, USA.
  • Bromage J; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623-1299, USA.
  • Dorrer C; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623-1299, USA.
  • Earley RF; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623-1299, USA.
  • Guardalben MJ; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623-1299, USA.
  • Marozas JA; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623-1299, USA.
  • Roides RG; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623-1299, USA.
  • Sethian J; Dynamic Compression Sector (DCS), Institute for Shock Physics, Washington State University, Argonne, Illinois 60439, USA.
  • Wang X; Dynamic Compression Sector (DCS), Institute for Shock Physics, Washington State University, Argonne, Illinois 60439, USA.
  • Weiner D; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623-1299, USA.
  • Zweiback J; Logos Technologies, Fairfax, Virginia 22031, USA.
  • Zuegel JD; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623-1299, USA.
Rev Sci Instrum ; 90(5): 053001, 2019 May.
Article in En | MEDLINE | ID: mdl-31153238
ABSTRACT
The Dynamic Compression Sector (DCS) laser is a 100-J ultraviolet Ndglass system designed and built by the Laboratory for Laser Energetics for experimental research at the DCS located at the Advanced Photon Source (Argonne National Laboratory). Its purpose is to serve as a shock driver to study materials under extreme dynamic pressures. It was designed to deposit energy within a uniformly illuminated 500-µm spot on target, with additional optics provided to implement spot sizes of 250 and 1000 µm. Designed after larger-scale glass lasers such as OMEGA and the National Ignition Facility, the laser consists of a fiber front end with interferometer-based pulse shaping, a Ndglass regenerative amplifier, a four-pass rod amplifier, and a 15-cm glass disk amplifier, through which six passes are made in a bowtie geometry. The output is frequency tripled from 1053 to 351 nm by using a pair of type-II phase-matched KDP crystals, with a third to increase conversion bandwidth. The super-Gaussian spot in the far field is achieved with a distributed phase plate and a 1-m aspherical focusing lens. Beam smoothing is achieved by smoothing by spectral dispersion and polarization smoothing, resulting in a root-mean-square variation in intensity on target of ±8.7%.
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Full text: 1 Database: MEDLINE Language: En Year: 2019 Type: Article
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Full text: 1 Database: MEDLINE Language: En Year: 2019 Type: Article